5Lakoff,R.What you can do with words:politeness,pragmatics and performative[^].In Rogers,A.et al.(eds.).Proceeding of the Tex as Conference on Performatives,Presuppositions and Implicatures[C].Arlington,Va:Center for Applied Linguistics,1977.1-55.
6Leech,G.N.Principles of Pragmatics[M].London:Longman,1983.
7Lakoff,R.The logic of politeness:or minding your p's and q's[A].In C.Corum et al.(eds.).Paper from the Ninth Regional Meeting of the Chicago Linguistic Society[C].Chicago:Chicago Linguistic Society,1973.292-305.