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英文文摘
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Chapter Ⅰ Introduction
1.1 Theoretical Background of the Study
1.2 The Intention and Significance of the Study
1.3 An Overview Structure of the Thesis
Chapter Ⅱ An Overview of Lexical gap
2.1 An Overview of Theories in Cognitive Semantics
2.2 Previous Study of Lexical Gap
2.3 The Analysis of Causations of Lexical Gap in Previous Studies
2.3.1 The Causes from the Perspective of Culture Variations
2.3.2 The Causes from the Perspective of Language Mechanism
2.4 Summary and Limitations of Previous Studies
Chapter Ⅲ The Discovery Process of Lexical Gap in Cognitive Semantics
3.1 Hierarchies
3.2 Proportional Series
3.2.1 Proportionality
3.2.2 Proportional Series in Animal Words and Kinship Words
3.3 Opposites
3.3.1 Complementary Opposites
3.3.2 Lexical Gap and Complementary Opposites
Chapter Ⅳ The Cognitive Causations of Lexical Gap
4.1 Lexical Gap and Mental Space Theory
4.2 Lexical Gap and Conceptual Blending Theory
4.3 Cognitive Motivations of Lexical gap
4.3.1 Psychological Salience
4.3.2 Perceptual Salience
4.3.3 Prototypicality
Chapter Ⅴ Major Methods for Filling Lexical Gaps
5.1 By Adding Phrases or Morphemes
5.2 By Applying Superordinates or Hyponyms as a Substitute
5.3 Metaphors
5.4 Cognitive Synonyms
Chapter Ⅵ Conclusion
Bibliography
Acknowledgements