6Dawson, M. R. W. Understanding Cognitive Science [ M ]. Malden, MA: Blackwen Publishers Inc. , 2001.
7Lewis, M. The Lexical Approach [ M ]. Hove : Language Teaching Publications, 1993.
8Lewis, M. Pedagogical implications of the lexical approach [ C] //J. Coady & T. Huckin. Second Language Vocabulary Acquisition. Cambridge: Cambridge University Press, 1997: 255 - 270.
9Liontas, J.I. Exploring second language learners' notions of idiomaticity [J]. System, 2002, 30 (3): 289-314.
10Nattinger, J.R. & J. S. DeCarrieo. Lexical Phrases and Language Teaching E M ]. London: Oxford University Press, 1992.