Table of ContentsAbstract.............................................................................................................................................i中文摘要........................................................................................................................................ii1. Introduction................................................................................................................................11.1 Research background..........................................................................................................11.2 Aims and objectives............................................................................................................11.3 Data collection and research method..................................................................................11.4 Organization.......................................................................................................................22. Literature Review......................................................................................................................22.1 Introduction........................................................................................................................22.2 Previous related studies......................................................................................................22.3 Definition of vague language.............................................................................................22.3.1 The classical definition.............................................................................................22.3.2 The working definition.............................................................................................32.4 Summary.............................................................................................................................33. Classifications of Vague Language in Business Letters.............
