专业毕业生英文自荐信模板（14篇范文）

专业毕业生英文自荐信范文 篇1

阅读小贴士：篇1共计419个字，预计默读时长2分钟，朗读需要3分钟，中速朗读3分钟，在严肃场合朗读需要4分钟，本模板有247位用户喜欢。

dear leader, hello!!!!!

i'm ___ school a graduating student, the professional is, i hope i can to your work.

i not only pay attention to the basic course of study, and attach importance to the cultivation of ability. during the period of school, i take the time, study hard, e_cellent grades completed basic theoretical course of study. at the same time, i also plan to take time to read all kinds of books, magazines, as much as possible to enlarge our scope of knowledge, to keep pace with the pace of the times. besides study, out of school, i try to catch every chance to e_ercise, with different levels of people get along with, let oneself close contact society, feel the life, savour the life of sour, sweet, bitter, hot, make oneself to mature as soon as possible.

now i desire to your units to work can, make what learn and the theoretical knowledge of organically combined with practice, can make their life has a qualitative leap.

select the unit, wages and welfare not i consider first conditions. i pay more attention to the whole image of the unit, management mode, the morale of the employees and working atmosphere. i believe your unit is just what i pursuit of the ideal goal. i am very confident to you promise: choose me, you will not regret.

专业毕业生英文自荐信范文 篇2

阅读小贴士：篇2共计551个字，预计默读时长2分钟，朗读需要3分钟，中速朗读4分钟，在严肃场合朗读需要6分钟，本模板有273位用户喜欢。

dear leaders:

from freshman year, i pay particular attention to conscientiously study courses at the same time, efforts to improve training quality and ability to make full use of spare time and broaden the horizons of knowledge and improve the knowledge structure. in an increasingly competitive today, i firmly believe that only multi-level, all-round development and to master the professional knowledge of personnel, they are to meet social development needs and the needs of employers in order to remain invincible. through the efforts i have received a scholarship to study in learning the same time, i actively participated in the activities of institutions, organizations, and 'negative youth mo,' speech in a full-house by the third. in the three years of study and life, i forge ahead, always ready to help others in style and performance to win the leadership, teachers and students of the trust and praise. and sino-japanese friendship hospital in practice patients and their families during the height of praise. to see their hard work and sweat to pay in return for the rehabilitation of patients with a smile, this is the best reward for me.

despite the large number of candidates, i may not necessarily be the best. but i still very confident. 'wai-ming to be sincere lord, to be held by mingjun on.' to beg i do not trust, only to seek confidence-building action. your hospital is willing to give me the opportunity to work in an attempt to put their own potential space, i will of due diligence, the best of my ability, so your satisfaction with the hospital, so patient satisfaction.

sincerely,

salute

people put themselves forward: ___

专业毕业生英文自荐信范文 篇3

阅读小贴士：篇3共计762个字，预计默读时长2分钟，朗读需要4分钟，中速朗读6分钟，在严肃场合朗读需要7分钟，本模板有223位用户喜欢。

dear leaders:

hello!

it is an honor in your busy schedule to read my cover letter. thank you! i __ of electronic information vocational technology institute of electrical and mechanical engineering graduates nc. sincerely hope to become a member of your organization.

you opened this page, that is, for me and opened the door leading to the door of opportunity and success! hope that it is different from your hands a number of identical copies of the cover letter. contribute to the employees you want.

in schools during the friends of the strict division lessons and personal efforts, i have a solid foundation of knowledge. systems have mechanical drawing, autocad drawings, tolerance and technology with the theoretical knowledge of the measurement. familiar with the work of foreign-related common decency, at the same time, e_tra-curricular time to learn a wide range of application software, as well as many of the professional books. not only enrich their own, but also cultivate a wide range of skills of their own. more importantly, the rigorous style of study and correct learning attitude, i created a simple, stable and innovative character.

in practice, i also actively participated in various activities of social practice. seize every opportunity to continue to e_ercise its own. holidays when the summer vacation time to work. in this one, i deeply feel with this e_cellent business, so i have undone the benefits of competition, the challenge to the practical difficulties, let me grow up in frustration.

in terms of ideology, i am thinking of progress, quality e_cellent, shou-cheng, a letter, courtesy of being the principle of chi, others warm and harmonious.

through careful understanding of your company, i love your company engaged in the cause. very much hope that under your leadership, for all the glorious cause of building blocks, and continuous learning in practice and progress. pen collection, i solemnly make a small request, whether or not you choose me. distinguished leadership, i hope you will accept my sincere thanks to your busy schedule to give me the attention!

your organization wishes to the cause of success, achievements! hope that the leadership can be taken into account for me, i eagerly look forward to hearing from you. thanks!

sincerely,

salute!

专业毕业生英文自荐信范文 篇4

阅读小贴士：篇4共计1021个字，预计默读时长3分钟，朗读需要6分钟，中速朗读7分钟，在严肃场合朗读需要10分钟，本模板有216位用户喜欢。

dear leaders:

hello! first of all, thank you for your busy schedule in the time available for taking the written this.

my name is ___, a ___ forthcoming from the school of marketing students graduate ne_t year in june i will graduate and undergraduate management. your organization are informed of the recent recruitment of talent, i am confident in my four years of university study and the work of training qualified for the job.

through three years of study and training, i have a solid professional knowledge and skills techniques. in college, i have access to scholarships, participation in school and outside the organized activities of the overall quality of the process of e_pansion has been a good lot of training and results achieved. in professional learning at the same time do a good job, i also actively participate in the work of college students, students in the service as well as training its own organization and coordination ability and team spirit of collaboration and work through these e_ercises so that i formed a very strong sense of responsibility and dedication, down-to-earth efforts to develop a good habit for every one thing, tradition of hard work, honesty and credit quality, self-confident personality and the spirit of practical work.

i have a good standard of english, in january __ passed a national e_amination in english 4, with good writing skills and oral reading ability. i have very good computer knowledge and ability, and in september __ successfully passed the national e_amination two computers. i can skillfully related to _p operating system on the network technology is also more understanding and proficiency in office software office, especially word, e_cel, powerpoint, can use qb, vfp and vb programming language, and proficiency in the use of photoshop for graphic processing and graphic design. in addition, i can use dream wear, fireworks and other software-related work.

four years of training through the university, i formed a valuable quality of the two, one is progressive, one is adhering to. i believe that these qualities will help me in the future work and learning to overcome difficulties and strengthen their confidence and willing to challenge.

i very much hope to become a member of your organization, in collaboration with colleagues in each other, learn from each other, seek common progress, for development, but also for their own growth and development of our work. attached to my resume, once again thank you for taking the time to check my resume, thank you!

sincere wish the leadership of good health and smooth work, your company (unit) development of better!

sincerely,

salute

市场营销专业2024届毕业生自荐信范文

2024市场营销专业应届大学生自荐信模板

市场营销专业英文求职自荐信

市场营销专业大学生个人自荐信

市场营销专业专科毕业生自荐信范文

2024市场营销专业应届生自荐信

市场营销专业的自荐信参考

市场营销专业英文自荐信

市场营销专业应届生自荐信

市场营销专业学生自荐信范文

专业毕业生英文自荐信范文 篇5

阅读小贴士：篇5共计831个字，预计默读时长3分钟，朗读需要5分钟，中速朗读6分钟，在严肃场合朗读需要8分钟，本模板有225位用户喜欢。

dear leaders:

hello!

i am a forthcoming ____ university __ in __ graduate students, the school is a computer professional.

university for four years, i study hard, the outstanding, have been awarded scholarships. mentorship in the strict lessons and individual efforts, i have a solid foundation of knowledge. in terms of software, systems have c language, data structure, power builder, database theory, assembly language, software engineering and object-oriented, such as delphi and vc have a certain understanding of windows programming. i also had e_tra-curricular learning vb, vf programming, asp and sql server dynamic pages, such as web-based database programming language. has been prepared by an independent professional database management system. in terms of hardware, through its participation in single-chip design, assembly of the radio, network planning and management projects and the formation of such practice, i have a computer and the working principle of the principle of computer network technology.

into the school since, i take full advantage of a wide range of spare time to participate in social practice. college information in our school computer lab to work two years, not only the professional skills i have beenraised, but also the management and organization, i will be able to play and further training, leadership and teachers received recognition and praise. moreover, science and technology in europe and asia have some of the company's work e_perience, i have some marketing e_perience and social e_perience, and outstanding performance. in addition, at school, i also made home, the practice of social surveys and other social activities, and accumulated a wealth of practical e_perience.

if fortunate enough to join, i can dedicated to your company's software development, or at any time in accordance with the needs of the company is committed to a work and learning.

'soon come, come against, i dust free' is my motto; 'immersive an abyss, treading on thin ice' is the attitude of my work; 'sincere, and trustworthy' is my most prominent feature; an open mind has given me many friends. smart-minded, creative thinking, and pioneering spirit of tenacity, coupled with sophisticated professional skills, i believe i am the best choice for you.

please give me a chance, i will also you to eye-catching glory.

thank you for your patience in reading my cover letter, such as the need for detailed information, please contact me.

waitting for you good news!

专业毕业生英文自荐信范文 篇6

阅读小贴士：篇6共计777个字，预计默读时长2分钟，朗读需要4分钟，中速朗读6分钟，在严肃场合朗读需要8分钟，本模板有179位用户喜欢。

dear leaders:

hello!

i am a mechanical college of the university of southwest jiaotong university, a student, about to face graduation and thus into society.

southwest jiaotong university, university is the focus of china's talent training base, has a long history and fine traditions,

and to rigorous scholarly research, educating people well-known. in such a good learning environment, which, whether in the intellectual capacity, but also

self-cultivation in the personal qualities, i have benefited greatly, and the harvest is not just some te_tbook knowledge.

four years, with the help of teachers and students, i have a solid foundation of professional knowledge, a systematic grasp of the machine

firearms in academic proficiency in operation of computer graphics software, and at the same time, the use of a lot of spare time reading books,

not only enrich their own, but also develop its own multi-faceted skills, but also, due to practical help, which made me real -

jian greatly improved. more importantly, the rigorous style of study and correct learning attitude shaped me simple, stable, creating

the new character traits.

in addition, i also actively participate in various social activities, to seize every opportunity to e_ercise their own. in order that allowed it to

rapid integration into society, this big group, but also playing a basis for their work, the university for four years, i have been in the competition

benefits; to challenge the practical difficulties, let me grow up in frustration. southwest jiaotong university has trained i am being pragmatic, pioneering and enterprising

style. i love your organization are engaged in the cause, and look forward to leading an attempt to give me a chance, hoping to

enough in your leadership, for this glorious add something to the cause; and in practice, learning and progress.

finally once again i wish your company's business more prosperous!

sincerely

salute

历史系毕业生自荐信范文

网络编辑毕业生自荐信

信息工程专业毕业生自荐信范文

财务管理专业-应届毕业生自荐信范文

本科毕业生通用版自荐信范文

建筑文秘专业毕业生自荐信

2024届毕业生没工作经验的自荐信范文

电气与信息工程系毕业生的求职自荐信

2024应届毕业生英文自荐信范文

机械设计专业毕业生自荐信范文

专业毕业生英文自荐信范文 篇7

阅读小贴士：篇7共计753个字，预计默读时长2分钟，朗读需要4分钟，中速朗读6分钟，在严肃场合朗读需要7分钟，本模板有238位用户喜欢。

最新俄语专业毕业生英文求职自荐信

最新俄语专业毕业生英文自荐信模板(一)：

hello!

i __ graduates normal college of foreign languages, i have loved the work of teachers, but also very much hope that can work to your school.

200_, i __ from liaoning province of northeast normal university, admitted to a russian in the university, early in my high school when the school is english, so when entering the university in?

during the study at the university, it is not enough to just do a good job of learning, should develop their own multi-ability, i have students work in the department, which presided over?

heavy academic universities i did not crush, cheerful personality to help me, the so-called 'a yichi, man of the road,' i will engage in peace?

from the sophomore year, after-school time, i began working in home work, although the specialty is russian, but i teach are english, by virtue of their down-to-earth british?

rigorous and realistic style of your school teaching attracted me, and i hope i can have the honor of a school, for schools of education contribute to a force i.

sincerely,

最新俄语专业毕业生英文自荐信模板(二)：

respect for school leadership:

hello

i am a south china normal university foreign languages institute graduates, i have loved the work of teachers, but also very much hope that can work to your school.

in __, i have a __ by __ in the province entered the south china normal university department of russian, i in the early high school when the school is english, so when entering the university in?

during the study at the university, it is not enough to just do a good job of learning, should develop their own multi-ability, i have students work in the department, which presided over?

heavy academic universities i did not crush, cheerful personality to help me, the so-called 'a yichi, man of the road,' i will engage in peace?

from the sophomore year, after-school time, i began working in home work, although the specialty is russian, but i teach are english, by virtue of their down-to-earth british?

rigorous and realistic style of your school teaching attracted me, and i hope i can have the honor of a school, for schools of education contribute to a force i.

sincerely,

salute

专业毕业生英文自荐信范文 篇8

阅读小贴士：篇8共计411个字，预计默读时长2分钟，朗读需要3分钟，中速朗读3分钟，在严肃场合朗读需要4分钟，本模板有202位用户喜欢。

respect of competent:

hello!!!!!

how the e_pensive unit environmental compatibility cheerful, management mechanism, admire the e_pensive unit of good reputation, is eager to become a member of your company, so i am here on the duty and courage to with your unit to grow together, for the e_pensive unit weal and woe, the prosperity of prosperity to contribute. therefore, below i simply introduced myself. i in changsha university of science and technology of energy and power engineering construction environment and equipment engineering learning and in __ will be graduate and receive a bachelor's degree in engineering.

as a college student, i system mastering the heating, refrigeration and air conditioning and ventilation, building supply, water supply, drainage, automatic control, and other aspects of the professional knowledgethank you.

regards

yours

读计算机专业的自荐信范文

2024计算机专业自荐信范文

级计算机专业自荐信范文

计算机专业学生求职自荐书格式

计算机专业求职自荐信范文

应届计算机专业自荐信参考

计算机专业应届生自荐信范文

计算机专业毕业生的自荐信

2024计算机专业毕业生英文自荐信

计算机专业大学生的自荐信范文

专业毕业生英文自荐信范文 篇9

阅读小贴士：篇9共计805个字，预计默读时长3分钟，朗读需要5分钟，中速朗读6分钟，在严肃场合朗读需要8分钟，本模板有272位用户喜欢。

最新物流管理专业毕业生英文自荐信

the leadership of the distinguished company:

hello!

first of all, thank you for your busy schedule in my recommended reading materials. when you open this page when you opened the door for my success and hope the door, hoping the owner of this material is able to help you in the intense market competition and knowledge-based economy was recorded for the tide to a comprehensive type cross-century talents.

my name is , guangdong university of foreign studies, a professional logistics management graduates. know your company's development prospects, according to my study, social work, as well as understanding of your company, so i wish to ... ...

i love logistics management professional, at school, i seriously study, hard work hard and strive to do our own work and to society's demand for qualified personnel for the wizard to make their own talents to the comple_ direction. study, i actively participated in various activities to participate in dance competitions in school was the second prize, won a class two award to participate in school drama contest; in school as student leaders during the period, with a certain degree of working ability and capacity to organize and coordinate, with a strong sense of responsibility, able to bear hardships and stand hard , honest, confident, dedicated. i have a strong practical ability and good down-to-earth efforts to everything

i also actively participated in various social practices, because i know that practice is the sole criterion for testing truth. to billion in shenzhen international freight co., ltd., shunde country garden holiday village hotel, guangzhou fair dai group and internship training, also used in the primary schools run summer remedial classes in english, although they do not belong to the same industry, but i know that this a person can e_ercise, and to develop vision. in addition, i also use weekend time to orphanages, homes for the aged and the mentally retarded when the volunteer center.

the past does not mean that the future is the true meaning of hard work, practical work for i believe that i was able to quickly adapt to working environment, familiar with the business, and in practical work, keep on learning and improving themselves, do their jobs.

look forward to your feedback! and sincerely wish the success of your business, all employees in good health!

sincerely!

salute!

专业毕业生英文自荐信范文 篇10

阅读小贴士：篇10共计522个字，预计默读时长2分钟，朗读需要3分钟，中速朗读4分钟，在严肃场合朗读需要5分钟，本模板有140位用户喜欢。

dear mr. klein:

i am seeking an operations management position at the plant, division or corporate level with a major player in the food and beverage industry. please consider my credentials.

as my resume will show, i have had e_cellent progression in the field of operations management with one of the top u.s. consumer products companies. pepsi-cola, as you may know, has been ranked by fortune magazine among the top 6 best run companies in america.

in my current posit on as group plant manager (3 plants) for pepsi west i have been credited with annual cost savings e_ceeding $2 m ion as the result of several innovative cost reduction programs recently implemented. i have just been awarded pesi’s coveted 'high performer award' for my contributions.

prior assignments have been equally productive, and i have consistently demonstrated the ability to achieve superior results. i pride myself on staying current in all major new developments in the field of operations and push hard for the implementation of those that will readily increase ease of operations and reduce operating costs.

should you be in the market for a proven contributor as a member of your operations team, mr. klein, your time would be well spent in meeting with me. much of what i have already done at pepsi might well be transferable to redding beverage, and could result in substantial savings to your company.

should you wish to contact me, i can be reached during the day at (216) 377-0925, or at the above number during evening hours.

thank you for your consideration.

sincerely

专业毕业生英文自荐信范文 篇11

阅读小贴士：篇11共计493个字，预计默读时长2分钟，朗读需要3分钟，中速朗读4分钟，在严肃场合朗读需要5分钟，本模板有109位用户喜欢。

hello! first of all, thank you for your busy schedule to read my自荐信show. i am __ session of the university college of nursing graduates ____.

__ university college of nursing since the school has maintained the fine tradition of rigorous scholarship. in such an academic atmosphere, the spirit of innovation is more dense environment, in the strict demands on teachers and the efforts of individuals, after two years of professional courses of study and year of clinical practice, it has a more solid foundation of professional knowledge and clinical e_perience, the overall quality has been enhanced. developed a keen sense of observation. good sense, ability to work independently, rigorous, practical work. and careful, caring, patience, sense of responsibility to treat patients. meet the development needs of the overall care. so i have full confidence in the future.

i love nursing career, eager to look forward to your leadership for the cause of this glorious building blocks, and continuous learning in their work and progress.

finally, please accept my most sincere thanks!

sincerely,

salute!

护理专业毕业生自荐信范本

护理专业毕业生自荐信格式

高等护理专业毕业生的求职信模板

医学护理专业毕业生自荐信

2024护理专业毕业生英文自荐信

卫校护理专业毕业生自荐信

医学院护理专业毕业生自荐信

护理专业毕业生自荐信范文

中专护理专业毕业生自荐信

2024届护理专业毕业生自荐信

专业毕业生英文自荐信范文 篇12

阅读小贴士：篇12共计742个字，预计默读时长2分钟，朗读需要4分钟，中速朗读5分钟，在严肃场合朗读需要7分钟，本模板有144位用户喜欢。

dear leaders:

hello!

i am __ guangdong university of school of economics and management students of international trade, more than willing to accumulated years of knowledge and training to your organization's ability to contribute to, and e_ert my utmost best to your company's progress and development all contribute their力量. sincere hope that your organization for giving me a chance!

i know very well that 'only tend to have the opportunity to prepare the minds.' in school, i seize every opportunity to learn all aspects of knowledge, training of all aspects of their ability to own a modern society towards the needs of innovative talent development compound. i reached the english 6, the computer 2 through national, provincial ii (e_cellent), and access to scholarships every year. e_pertise in the effort to learn at the same time, i have a broad range of philosophy, law, literature, economics and other fields, to complete a professional other than the economic field and more courses and a minor in the trade in english, self-study a second foreign language --- - german.

'learn to work in the workplace, in learning how to learn.' as a student cadre, i will pay more attention to their own ability. optimism, persistence, hard work is my beacon in the dangerous shoals department hope of sailing, highlighted in the rapids brave in character, is the credo of my life. i am creative and organized numerous large-scale activities have been recognized by teachers, students praise, so i have more enthusiasm to devote themselves to new challenges, and toward the goal of higher impact.

in order to more fully e_ercise their abilities, i use as a holiday in government agencies, enterprises and institutions to carry out a social practice, my internship paper was rated 'good practice papers', the e_perience for me into the community, involved in commercial operation laid a good foundation, but also learn how to man-made good, bare in good faith.

in social status is about to embark on, i wish to apply, looking forward to the sincere and filled with enthusiasm to join your company, your company culture and enjoy the charm of a dump evans韬略only give you the effectiveness of intrinsic quality.

sincerely,

专业毕业生英文自荐信范文 篇13

阅读小贴士：篇13共计634个字，预计默读时长2分钟，朗读需要4分钟，中速朗读5分钟，在严肃场合朗读需要6分钟，本模板有132位用户喜欢。

工程管理专业毕业生英文自荐信

dear leaders，

hello!

thank you for your busy schedule to read my letter, and sincerely hope you can get the support and endorsement. i am a 20__ session of the huaihai institute of technology project management graduates, in-school period, i strictly abide by school rules and regulations, respect for teachers, united students, have a strong collective sense of honor; seriously hard to learn, e_cellent performance, access to hospital on several occasions scholarships; emphasis on integrating theory with practice, and actively participate in the practice, and internship activities. i come from rural families, foster the tradition of hard work from an early age, the spirit of perseverance.

four years of university education, let me have the project management aspects of the theory of professional knowledge, the work of more than half a year so i have a wealth of practical e_perience, but also enhance their ability to adapt to the environment. todays professionals need for multi-level, prompted me to update, strengthen self: while studying at the school i passed the national e_amination in english and four grade 2 level, jiangsu province, computer e_aminations and computer-aided design (autocad), and motor vehicles to pass in __ drivers license (c) according to, able to skillfully use office__ (microsoft word, e_cel, powerpoint), in addition to the cost of learning such as division 3000. the success of the cause of the need for knowledge, perseverance, sweat, the perfect combination of opportunities, and similarly, the need for a company the honor of carrying her carrier - selfless people. request that your company can give me a chance, let me become one of you, i will be very enthusiastic and hard working your return, and very happy to work with colleagues in the future for our common the cause of all the talents dedication.

sincerely

专业毕业生英文自荐信范文 篇14

阅读小贴士：篇14共计1174个字，预计默读时长3分钟，朗读需要6分钟，中速朗读8分钟，在严肃场合朗读需要11分钟，本模板有242位用户喜欢。

工商管理专业毕业生英文自荐信

dear sir / madam:

hello!

i am a jingdezhen ceramic institute of business administration graduate of the 2024session, i am with sincere feelings to you ourselves, hope that your organization is right for me to seek a job in order to achieve self-worth, only their own modest your organization to contribute to the development of a source of strength.

four years of learning e_pertise to comprehensively and systematically, i have the e_pertise to create a reasonable level of knowledge and systems of knowledge structure. in his study of business administration at the same time, do not slack in english and computer knowledge, and strive to improve their overall quality, so that they receive all aspects of development. during my school, study hard, positive and motivated, there are hard-working spirit. has achieved outstanding results. after school hours, i read a lot on computer systems development, programming, application and other relevant books, and database management system design and development to master the general design of the site. efforts to practice and apply what they have learned to do, under the guidance of the teacher, together with the students involved in student hostels to build local area network installation, commissioning, maintenance and so on. teachers and students has been positive. and use frontpage, dreamweaver and fireworks independent producers to combine my personal homepage. through previous study, done, is currently being implemented my graduation project.

i pay attention to the overall development of their own qualities, love of labor, focus on physical training, and actively participate in social organizations, schools and various e_tra-curricular activities. four years of university life and enrich my knowledge, an increase of my knowledge, my training can be, and raised my thoughts, my will to sharpen. now, i have a stronger self-reliance, his rich imagination and creativity. and people live in harmony with the spirit of good teamwork. i will work to his young life. this is my commitment to self-confidence and ability! i believe they will be able to work as a loving, truth-seeking spirit, sense of responsibility to work, hard in the new century! i would like to join in all walks of life, especially in the economic management, management and policy research departments, banks, insurance companies, financial institutions, computer management, network management, software development, and scientific research units, institutions of higher learning, as well as other types of enterprises and institutions.

life, two things: life and work. four years of my way of thinking, a more comprehensive response capabilities, a more correct values, i firmly believe that an honesty, modesty and self-discipline, diligent e_ploration and innovation of the university students will be able to count everyone's sure. i firmly believe that a genuine talent will not be buried.

i believe in the ma_im that 'there must be a way.'

my career concept is 'as long as there is the opportunity to never give up, start from the low-level, and strive to realize their own value!' if your organization had the same fate, i will work for your organization to the actual material to create more and spiritual wealth, and strive to fulfill the company's bright future meager forces

with the letter with my resume, if the opportunity to interview with you, i would be very grateful.

sincerely,

salute!

工商管理专业毕业生英文自荐信