| 内容提要 | 第1-5页 |
| Abstract | 第5-7页 |
| 详细摘要 | 第7-16页 |
| Abbreviations | 第16-17页 |
| Chapter I Introduction | 第17-19页 |
| ·The Purpose of This Study | 第17-18页 |
| ·Organization of This Thesis | 第18-19页 |
| Chapter II Literature Review | 第19-35页 |
| ·Semantic Underspecification Defined | 第19-20页 |
| ·Approaches to Lexical Underspecification | 第20-33页 |
| ·Gricean Theory on Nonnatural Meaning and Implicature | 第20-22页 |
| ·Default Interpretations of Incomplete Word Meaning | 第22-28页 |
| ·Levinson’s GCI and Default Inference | 第22-25页 |
| ·Jaszczolt’s Default Meaning and Merger Representation | 第25-28页 |
| ·Lexical Pragmatic Approaches to Underspecification of Word Meaning | 第28-32页 |
| ·Blunter’s Account | 第29-30页 |
| ·Relevance Theoretic Account of Narrowing and Broadening | 第30-32页 |
| ·Latest Studies on Pragmatic Enrichment of Word Meaning at Home | 第32-33页 |
| ·Comments on Previous Studies | 第33-35页 |
| Chapter III Theoretical Framework Construction | 第35-61页 |
| ·Motive for Constructing a Bidirectional Optimality-based Relevance Theoret | 第35-37页 |
| ·Elaboration on Explanatory Inadequacy of Relevance Theory | 第37-41页 |
| ·Vagueness and Inconsistency in Defining Relevance | 第37-39页 |
| ·Imperfection in Defining Factors Influencing Activation of Contextual Assumptions | 第39-41页 |
| ·Modifications of Relevance theory | 第41-46页 |
| ·Reconsidering Assessment of Relevance | 第41-43页 |
| ·Reconsidering Factors Influencing Activation of Contextual Assumptions | 第43-46页 |
| ·Construction of the Bidirectional Optimality-based Relevance Theoretic Framework | 第46-61页 |
| ·Defining Constraints and Its Characteristics | 第47-48页 |
| ·Defining Key Components in Bidirectional OT | 第48-50页 |
| ·Specifying the Work Mechanisms of Bidirectional Optimality Theory | 第50-59页 |
| ·Operation of GEN | 第50-55页 |
| ·Operation of EVAL | 第55-59页 |
| ·Summary of the Bidirectional Optimality-based Relevance Theoretic Framework | 第59-61页 |
| Chapter IV Research Methodology and Data Collection | 第61-65页 |
| ·Methodology in the Present Study | 第61-62页 |
| ·Data Collection and Corpus Built | 第62-63页 |
| ·Data Description | 第63-65页 |
| Chapter V Testifying the Explanatory Adequacy of the Bidirectional Optimality-based Relevance Theoretic Framework | 第65-91页 |
| ·Exploring the Narrowing Procedure of Underspecified Word Meaning | 第65-74页 |
| ·Defining Narrowing | 第65-66页 |
| ·Analyzing Narrowing in Desperate Housewives | 第66-74页 |
| ·Exploring the Broadening Procedure of Underspecified Word Meaning | 第74-88页 |
| ·Defining Broadening and Its Subcategories | 第75-76页 |
| ·Analyzing Category Extension in Desperate Housewives | 第76-81页 |
| ·Analyzing Metaphorical Extension in Desperate Housewives | 第81-88页 |
| ·Interpreting Underspecified Words in the Form of Metaphor | 第81-83页 |
| ·Interpreting Underspecified Words in the Form of Hyperbole | 第83-86页 |
| ·Interpreting Underspecified Words in the Form of Metonymy | 第86-88页 |
| ·Summary | 第88-91页 |
| Chapter VI Conclusion | 第91-95页 |
| ·Brief Review of the Study | 第91-92页 |
| ·Limitations of the Study and Suggestions for Future Studies | 第92-95页 |
| References | 第95-101页 |
| Appendix I Tables and Figures in the Thesis | 第101-107页 |
| Appendix II Corpus of Data in Desperate Housewives | 第107-121页 |
| Acknowledgements | 第121页 |
