References
[1]Channell,J. Vague Language[M].Oxford: Oxford University Press,1994:2-24. [2]McCutcheon, R., Schaffer, J.＆J.R.Wycoff. Communication Matters [M]. St. Paul: West Publishing Company, 1994:60-88.
[3]Vawdrey, C., Stoddard, T. D.＆R.D.Bell. Practical Business English [M].Boston: Von Hoffmann Press, 1993:90-98.
[4]Brown,P.Politeness: Some Universal in Language Usage[M].Cambridge: Cambridge Univesity Press,1987:24-35.
[5]Hudson,R.Socioliguistics[M]. Cambridge:Cambridge Univesity Press,1985:80-85. [6]Hartwell,P. Open to Langrage[M].Oxford:Oxford Univesity Press,1982:120-135. [7]Pervez Ghauri and Jean-Claude Usunier,Inernational Business Negotiations[M]. Elsevier Science,1996:78-85.
[8]Leech, C.Pragmatics[M].London:Longman, 1983:163-177.
[9] Paul T.Steele and Tom Beasor:A Practical StrategiesWorkbook[M].Cambridge: Cambridge Univesity Press, ,1992:112-136.
[10]Donald W.Hendon ,Cross-Cultural Business Negotiations[M].Westport Conn, 1996:201-247.
[11]Bolinger,Dwight.Aspects of Language[M].Beijing:Foreign Language Teaching and Research Press,1996:187-205.
[12]胡庚生.国际科技商务谈判:语言特点与言语技巧[J] .现代外语,1990,(4)。 [13]丁衡祁，张静.商务谈判英语[M].北京:新时代出版社,2003. [14]江春.商务谈判英语[M].北京：首都外贸大学出版社,2002. [15]廖瑛.实用外贸谈判英语[M].北京: 国际经贸大学出版社,2004.
[16]廖瑛,莫再树.国际商务英语语言与翻译研究[M].北京：中国机械出版社,2004. [17]刘件福.外贸英语信函中的表情功能[J].广东外语外贸大学学报,2004,(4). [18]刘园.国际商务谈判[M].北京：首都经贸大学出版社,2004.
[19]聂新艳.谈模糊语言的功能和应用[J].广东外语外贸大学学报,2001,(4) . [20]杨静宽.商务谈判英语[M].上海:上海外语教育出版社,2004.
21
Acknowledgements
I would like to give my thanks to many people. First, I want to express my heartfelt gratitude and wishes to my supervisor, Professor Ms Chen aihua. Without his kind guidance, I couldn?t have finished this paper. Second, my great thanks are also given to Professor Ms chen who gives me a great help in the processes of my paper?s correction and final formation. Third, I?m also grateful to other teachers, my classmates and roommates, who give me many useful suggestions in the process of my writing. Fourth, I want to show my gratitude to my parents who are always giving their support for my study. At last, I also want to acknowledge many researchers in the field whose names do not appear here.
22