6Channell, J. Vague Language [M]. Oxford: Oxford University Press, 1994: 165-195.
7Grice, H. G. Logic and Conversation[A]in Cole, P. & Morgan, J. (eds.)Syntax and Semantics[C]. New York: Academic Press, 1975: 21-37.
8Lakoff, G. Hedges: A Study in Meaning Criteria and the Logic of Fuzzy Concepts[M]//Linguistic Society Papers, Chicago: Chicago language Society, 1972: 157.
9钱冠连,霍永寿译.语用学诠释[M].北京:清华大学出版社,2003.
10Channel, J. Vague Language[M]. Oxford: Oxford University Press,2000.