| Abstract in Chinese | 第1-5页 |
| Abstract in English | 第5-9页 |
| Introduction | 第9-17页 |
| ·A Rough Look at DMs | 第9-10页 |
| ·Terminology Diversity of DMs | 第10页 |
| ·Properties of DMs | 第10-14页 |
| ·Colornessless of DMs | 第11-12页 |
| ·Detachability of DMs | 第12-13页 |
| ·Pragmatic Motivation of DMs | 第13-14页 |
| ·The Organization of the Dissertation | 第14-17页 |
| Chapter One An Overview of Studies of DMs | 第17-27页 |
| ·General History of Studies of DMs | 第17-24页 |
| ·Coherence-based Approach to DMs | 第18-21页 |
| ·Grammatical /Syntactic–pragmatic Approach to DMs | 第21-23页 |
| ·Cognitive-pragmatic Approach to DMs | 第23-24页 |
| ·Working Definition | 第24-25页 |
| ·Summary | 第25-27页 |
| Chapter Two Relevance-theoretical View of Utterance Interpretation | 第27-45页 |
| ·The Outline of Relevance Theory | 第27-30页 |
| ·Ostensive–inferential Communication | 第27-28页 |
| ·The Principle of Relevance | 第28-30页 |
| ·Cognitive Motivation of Using DMs | 第30-32页 |
| ·DMs and Explicature or Implicature | 第32-34页 |
| ·DMs with the Conceptual or Procedural Information | 第34-36页 |
| ·Constraining the Utterance Production and Utterance Interpretation | 第36-37页 |
| ·DMs and Contextual Effects | 第37-44页 |
| ·DMs Strengthening an Existing Assumption | 第37-39页 |
| ·DMs Introducing an Inconsistent Existing Assumption | 第39-40页 |
| ·DMs Deriving Contextual Implication | 第40-41页 |
| ·DMs Specifying the Roles of Utterances | 第41-42页 |
| ·DMs as a Loosening of Speaker’s Assumption | 第42-44页 |
| ·Summary | 第44-45页 |
| Chapter Three The Coherence-based Theory of DMs | 第45-55页 |
| ·DMs Contributing to Coherence | 第45-47页 |
| ·DMs on Three Levels of Discourse | 第47-53页 |
| ·DMs on Ideational Level of Discourse | 第48-49页 |
| ·DMs on the Rhetorical Level of Discourse | 第49-52页 |
| ·DMs on the Sequential Level of Discourse | 第52-53页 |
| ·Summary | 第53-55页 |
| Chapter Four A Comparison of Two Approaches | 第55-69页 |
| ·DMs at the Initial Position | 第55-56页 |
| ·Interrelationships Between the Two Theories | 第56-59页 |
| ·Differences of the Two Approaches | 第56-58页 |
| ·Similarity of the Two Approaches | 第58-59页 |
| ·Sample Analysis | 第59-69页 |
| ·Pragmatic Functions of You Know | 第59-63页 |
| ·You Know in Arguments | 第60页 |
| ·You Know Showing Politeness | 第60-61页 |
| ·You Know in Narratives | 第61-62页 |
| ·You Know as a Reminder | 第62-63页 |
| ·Pragmatic Functions of well | 第63-69页 |
| ·Well Showing Divergence | 第63-65页 |
| ·Well Showing Politeness | 第65-66页 |
| ·Well Expressing Requests | 第66页 |
| ·Well as Self Response | 第66-67页 |
| ·Well as a Delaying Device | 第67-69页 |
| Chapter Five Conclusion | 第69-72页 |
| ·Significance of Studies of DMs | 第69-70页 |
| ·Leaving Questions | 第70-72页 |
| Acknowledgements | 第72-73页 |
| Bibliography | 第73-77页 |
| Academic Acheivements | 第77页 |
