英语毕业论文-商业电子邮件和商业书信在格式和语言特征上的比较研究
       A Comparative Study of the Format and Linguistic Features between Business E-mails and Business Letters

            Abstract
Business correspondence (BC), briefly speaking，refers to the all kinds of letters between importers and exporters in the process of international trade. BC and its writing are becoming more and more important in the world today with the development of international trade. In most cases, BC is the most commonly used means of communication between importers and exporters.
In the process of its usage, BC has formed its own style. At all the levels (from format, lexical to discourse level), it manifests distinctive and unique features which make BC become special, businesslike and different from other types of writing.
In this essay, the author mainly focuses on the study of the format and linguistic features of two main types of BC：business emails and business letters. The study has been carried out on the basis of the theories of BC and the practice of e-mails and letter communications in actual business. The ultimate purpose of this essay is to compare the format and linguistic features between the two types, so as to play a role as a guide to write good business correspondence which will help people to do business more effectively and successfully.
   
Key words: format; linguistic features; business e-mail; business letter; business correspondence