| Abstract | 第1-6页 |
| 摘要 | 第6-9页 |
| Chapter 1 Introduction | 第9-13页 |
| ·The Background of the Study | 第9页 |
| ·The Significance of the Study | 第9-11页 |
| ·The Structure of the Thesis | 第11-13页 |
| Chapter 2 Pragmatic Failure and the Adaptation Theory | 第13-24页 |
| ·Pragmatic Failure | 第13-20页 |
| ·Definition of Pragmatic Failure | 第13-14页 |
| ·Classification of Pragmatic Failure | 第14-15页 |
| ·Previous Research on Pragmatic Failure | 第15-19页 |
| ·The Study of Pragmatic Failure in the Thesis | 第19-20页 |
| ·Adaptation Theory | 第20-24页 |
| ·A New Perspective on Linguistic Pragmatics | 第21页 |
| ·Making Linguistic Choices | 第21-22页 |
| ·Three Properties of Language | 第22-23页 |
| ·Four Angles of Pragmatic Study | 第23-24页 |
| Chapter 3 The Analysis of Pragmatic Failure in Business English Letters | 第24-42页 |
| ·Linguistic Reality of Business English Letters | 第24-28页 |
| ·The Definition and Nature of Business English Letters | 第24-25页 |
| ·Basic Principles for Business English Letter Writing | 第25-26页 |
| ·Classifications of Business English Letters | 第26-28页 |
| ·Pragmatic Failure in Business English Letters | 第28-42页 |
| ·Failure to Make Adaptation to Linguistic Context | 第29-35页 |
| ·Failure to Make Adaptation to the Lexicon of Business English Letters | 第29-31页 |
| ·Failure to Make Adaptation to the Syntax of Business English Letters | 第31-32页 |
| ·Failure to Make Adaptation to the Discourse of Business English Letters | 第32-35页 |
| ·Failure to Make Adaptation to Communicative Context | 第35-42页 |
| ·Failure to Make Adaptation to the reader's Mental World | 第35-37页 |
| ·Failure to Make Adaptation to the reader's Social World | 第37-38页 |
| ·Failure to Make Adaptation to the reader's Physical World | 第38-42页 |
| Chapter 4 Measures to Reduce Pragmatic Failure | 第42-47页 |
| ·The Cultivation of the Pragmatic Competence | 第42-45页 |
| ·The Training of the Pragmatic Strategies | 第45-47页 |
| Chapter 5 Conclusion | 第47-50页 |
| ·Overall Review of the Study | 第47-48页 |
| ·Limitations of the Study | 第48-50页 |
| Works Cited | 第50-52页 |
| Bibliography | 第52-54页 |
| Acknowledgements | 第54页 |
