| Abstract | 第3页 |
| 摘要 | 第4-7页 |
| 1 Introduction | 第7-12页 |
| 1.1 Introduction to the Study | 第7-9页 |
| 1.2 Significance of the Study | 第9页 |
| 1.3 Methods of the Thesis | 第9-10页 |
| 1.4 Structure of the Thesis | 第10-12页 |
| 2 Theoretical Basis of the Thesis | 第12-22页 |
| 2.1 Cooperative Principle | 第12-14页 |
| 2.2 Politeness Principle | 第14-18页 |
| 2.3 The Face-saving Theory | 第18-22页 |
| 3 English Business E-mails | 第22-32页 |
| 3.1 Functions of English Business E-mails | 第22-25页 |
| 3.2 Features of English Business E-mails | 第25-29页 |
| 3.3 Classification of English Business E-mails | 第29-30页 |
| 3.4 Politeness and English Business E-mails | 第30-32页 |
| 4 Application of Politeness Strategies in English Business E-mails | 第32-63页 |
| 4.1 Application of Politeness Strategies in E-mails for Establishing Business Relations | 第32-40页 |
| 4.2 Application of Politeness Strategies in E-mails for Business Negotiation | 第40-49页 |
| 4.3 Application of Politeness Strategies in E-mails for Conclusion of Business | 第49-54页 |
| 4.4 Application of Politeness Strategies in E-mails for Complaints and Claims | 第54-60页 |
| 4.5 Summary | 第60-63页 |
| 5 Conclusion | 第63-66页 |
| 5.1 Findings of the Thesis | 第63-64页 |
| 5.2 Implications of the Study | 第64页 |
| 5.3 Limitations of the Study | 第64页 |
| 5.4 Suggestions for Further Study | 第64-66页 |
| Bibliography | 第66-69页 |
| Acknowledgements | 第69页 |
