6Thomas ,J, Meaning in Interaction :An Introduction to Pragmatics[M ]. Longman, 1995.
7Yule. G. Pragmatics [M ]. Oxford : Oxford University Press, 1996.
8邹东涛等.《微观经济学》．西安：西北大学出版社,..
9Atlas, J. D. and Levinson. "It-Clefts, Informativeness, and Logic Form" [J]. In P, Cole (ed). Radical Pragmatics[C]. New York: Academic Black Press. 1981.
10Blackmore, D. Understanding Utterances [ M]. Oxford Blackwell
