| 摘要 | 第1-6页 |
| Abstract | 第6-7页 |
| CONTENTS | 第7-9页 |
| LIST OF TABLES AND FIGURES | 第9-10页 |
| Chapter 1 Introduction | 第10-15页 |
| ·Overview | 第10-11页 |
| ·Rationale and significance of the present study | 第11-12页 |
| ·Research objectives and specific research questions | 第12-13页 |
| ·Data collection and research methodology | 第13-14页 |
| ·Outline of the thesis | 第14-15页 |
| Chapter 2 Literature Review | 第15-26页 |
| ·Terminological issues | 第15-16页 |
| ·Historical overview of vagueness | 第16-23页 |
| ·Philosophical perspective of vagueness | 第16-18页 |
| ·Semantic perspective of vagueness | 第18-19页 |
| ·Psychological perspective of vagueness | 第19-20页 |
| ·Pragmatic perspective of vagueness | 第20-23页 |
| ·The study of language in stock comments | 第23-25页 |
| ·Stylistic perspective of language in stock comments | 第23-24页 |
| ·Cultural perspective of language in stock comments | 第24-25页 |
| ·A critique of previous studies of stock comments | 第25页 |
| ·Summary | 第25-26页 |
| Chapter3 Theoretical Framework | 第26-36页 |
| ·The working definition of pragmatic vagueness | 第26-27页 |
| ·The Theory of Linguistic Adaptation | 第27-31页 |
| ·Making linguistic choice | 第27-28页 |
| ·The three properties of language choice-making | 第28-30页 |
| ·Four aspects of investigation | 第30-31页 |
| ·An adaptative-theoretical based account of vagueness | 第31-34页 |
| ·Vagueness as adaptation to contextual correlates | 第32-34页 |
| ·Vagueness as adaptation to structural objects | 第34页 |
| ·Summary | 第34-36页 |
| Chapter 4 Vagueness as Adaptation to Contextual Correlates | 第36-47页 |
| ·The influence of language users on vagueness in stock comments | 第36-38页 |
| ·Stock analysts' inability to be precise | 第36-37页 |
| ·Stock analysts' unwillingness to be precise | 第37-38页 |
| ·The influence of social world on vagueness in stock comments | 第38-39页 |
| ·Stock comments' relationship with stock analysts | 第38-39页 |
| ·Stock comments' relationship with stock market | 第39页 |
| ·The influence of physical world on vagueness in stock comments | 第39-43页 |
| ·Vagueness in Stock Forecasts | 第40-41页 |
| ·Vagueness in Stock Summaries | 第41-43页 |
| ·The influence of mental world on vagueness in stock comments | 第43-46页 |
| ·Persuading investors | 第43-44页 |
| ·Protecting the stock analysts | 第44-45页 |
| ·Withholding information deliberately | 第45-46页 |
| ·Summary | 第46-47页 |
| Chapter 5 Vagueness as Adaptation to Structural Objects | 第47-58页 |
| ·Lexical device as a means of achieving vagueness | 第47-50页 |
| ·Adjectives | 第47-48页 |
| ·Verbs | 第48-49页 |
| ·Adverbs | 第49页 |
| ·Numerals | 第49-50页 |
| ·Pragmatic device as a means of achieving vagueness | 第50-56页 |
| ·Hedges | 第50-53页 |
| ·Modality | 第53-54页 |
| ·Deixis | 第54-56页 |
| ·Concluding remarks | 第56页 |
| ·Summary | 第56-58页 |
| Chapter 6 Conclusion | 第58-62页 |
| ·Major findings | 第58-59页 |
| ·Implications | 第59页 |
| ·Limitations of the study | 第59-60页 |
| ·Suggestions for further study | 第60-62页 |
| Bibliography | 第62-64页 |
| ACKNOWLEDGEMENTS | 第64-65页 |
| Appendix | 第65-86页 |
