文摘
英文文摘
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Chapter 1 Introduction
1.1 Objective of the study
1.2 Rationale of the study
1.3 Structure of the thesis
1.4 Terminological issues
1.4.1 Vagueness, fuzziness and ambiguity
1.4.2 Optimal relevance and relevance-improper
Chapter 2 Literature Review
2.1 Definition of vagueness
2.1.1 Lack of boundaries
2.1.2 Ullmann's definition
2.2 Previous studies on vagueness
2.2.1 Studies on vagueness abroad
2.2.2 Studies on vagueness in China
2.3 Comments on previous studies
Chapter 3 Vagueness and Relevance Theory
3.1 “Loose talk”in relevance theory
3.2 The “conflict ”between ostensive communication and vagueness
3.3 Mutual manifestness
3.4 Logical,encyclopedic and lexical information
3.5 Relevance and cognition
3.6 The search for relevance and deriving of implicature
Chapter 4 Research Design
4.1 Relevance-theoretic approach
4.2 Data collection
4.3 Methodology
4.4 Research questions
Chapter 5 Results and Analysis
5.1 Results of this study
5.1.1 Strategies advertisers use to achieve the purpose of communication
5.1.2 The effectiveness of relevance theory for explaining vagueness
5.1.3 Positive and negative effects of vagueness
5.2 Relevance-based analysis
5.2.1 Vagueness and relevance
5.2.2 The audience's interpretation and relevance
5.2.3 Effects of using vagueness and the potential harm of relevance improper
Chapter 6 Conclusion
Bibliography
Acknowledgements