| Abstract | 第1-12页 |
| 摘要 | 第12-13页 |
| Chapter One Introduction | 第13-18页 |
| ·Background of the study | 第13-14页 |
| ·Aims of the study | 第14-15页 |
| ·Importance of the study | 第15页 |
| ·Methodology and data collection | 第15-16页 |
| ·Outline of the thesis | 第16-18页 |
| Chapter Two An overview of business English letters | 第18-23页 |
| ·Definition of business English letters | 第18页 |
| ·Nature of business English letters | 第18-20页 |
| ·Function of business English letters | 第20-21页 |
| ·Classification of business English letters | 第21-23页 |
| Chapter Three Literature Review | 第23-41页 |
| ·Grice’s cooperative principle | 第23-28页 |
| ·Maxims of cooperative principle | 第23-26页 |
| ·Violation of CP and conversational implicature | 第26-28页 |
| ·Politeness principle | 第28-33页 |
| ·Brief review of politeness principle | 第28-30页 |
| ·Leech’s PP theory | 第30-33页 |
| ·Vague language | 第33-37页 |
| ·Relevance theory | 第37-40页 |
| ·Summary | 第40-41页 |
| Chapter Four Writing Business Letters from Pragmatic Perspective | 第41-62页 |
| ·Importance of applying pragmatic strategies in business letters | 第41-42页 |
| ·Conventional ways to improve business writing | 第42-43页 |
| ·Effective application of pragmatic strategies | 第43-57页 |
| ·The application of cooperative strategy in business letters | 第43-49页 |
| ·The quantity maxim vs. completeness and concreteness | 第43-45页 |
| ·The quality maxim vs. correctness | 第45-46页 |
| ·The maxim of relation vs. the writing style | 第46页 |
| ·The maxim of manner vs. conciseness and clearness | 第46-49页 |
| ·The application of conversational implicature strategy | 第49-51页 |
| ·The application of politeness strategy | 第51-54页 |
| ·The application of vagueness strategy | 第54-55页 |
| ·The application of relevance strategy | 第55-57页 |
| ·Sample letters | 第57-60页 |
| ·Summary | 第60-62页 |
| Chapter Five Conclusion | 第62-65页 |
| ·Summary of the study | 第62页 |
| ·Contributions of the study | 第62-64页 |
| ·Limitations and future studies | 第64-65页 |
| References | 第65-69页 |
| Appendix | 第69-79页 |
| Acknowledgements | 第79-80页 |
| Thesis Published during the Learning Period | 第80-81页 |
