Abstract With the rapid development of international trade, Business English Letters have become the indispensable part of foreign trade。 The purpose of Business English Letters is to realize the cooperation and mutual benefit between the two sides。 Observing Cooperative Principle is conducive to the realization of this purpose。 Firstly, this thesis introduces the definition and classification of Business English Letters。 And the definition and features of Cooperative Principle is also involved。 Then, this thesis mainly discusses application of Cooperative Principle in different kinds of Business English Letters。 Finally, the thesis concludes that the proper use of Cooperative Principle in Business English Letters can effectively promote the establishment of trade relations, mutual trust and mutual benefit。85663

Keywords: Business English Letters; Cooperative Principle; application

摘要 随着国际贸易的快速发展，商务英语信函已经成为对外贸易中不可或缺的重要组成部分。商务英语信函在于实现双方的合作与共赢，遵守合作原则，有利于实现这种目的。本文首先介绍了英语信函的定义和分类及合作原则的定义与特征。接着，重点论述了合作原则在不同种类的商务英语信函中的应用。最后得出结论，在信函中恰当地使用合作原则 ,有利于双方的合作共赢。源Q于W优H尔J论K文M网WwW.youeRw.com 原文+QQ75201.,8766

毕业论文关键词：合作原则；商务英语信函; 应用

 Contents

1。 Introduction 1

2。 Literature Review 1

3。 Business English Letters 2

3。1 Definition of Business English Letters 2

3。2 Classifications of Business English Letters 3

4。 Cooperative Principle 3

4。1 Definition of Cooperative Principle 3

4。2 Features of Cooperative Principle 3

5。 Application of Cooperative Principle in Business English Letters 4

5。1 Application of the maxim of quality 4

5。2 Application of the maxim of quantity 6

5。3 Application of the maxim of manner 8

5。4 Application of the maxim of relation 10

6。 Conclusion 12

Works Cited 13

1。 Introduction 

Business English Letters are one of the most frequently used contact method and the important carrier of the international business。 And Business English Letters have laid a solid foundation for the communication between both sides and the establishment of trade transaction。 In the twenty-first century, China's foreign trade area has been developing rapidly。 And companies from all over the world are looking forward to strengthen cooperation and exchanges, seeking common improvement and prosperity。 Nowadays, there are many ways of communication, for example e-mails and telegrams。 But, numerous corporations are willing to make use of Business English Letters to establish business contact and cooperate with partners。 Meanwhile, Business English Letters are the effective instrument to transmit information。 And many people consider Business English Letters as records, contracts and documents。 Therefore, Business English Letters are of vital importance to international trade and have caught many corporations attention。 Business English Letters can not only facilitate the process of transactions, but also transform and enhance the cooperation and joint work between participants。 In addition, it also can be used to encourage exchanges and cooperation between the two sides。 The purpose of Business English Letters is to realize the cooperation and mutual benefit between two sides。 For the sake of this aim, we have to comply with Cooperative Principle, which is a basic maxim of international trade。 It also can be used to find out the demand of Business English Letters。 And we can use this principle to dissect Business English Letters。 It is necessary and essential for us to properly use Cooperative Principle。 Only in this way can Cooperative Principle effectively promote the development of friendly and cooperative relations between the two parties。