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This work provides an alternative approach to think about change and emergence of new expressions in use by conducting the case study of BA in Chinese. Traditional perspectives are challenged in the way of modifying the basic unit not only in language but also in language change. What accompanies this fundamental change includes a series of meansures which are employed for an in-depth research on similar topics.

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Dr.Jing Han, the Lecturer in Shanghai University, is working on cognitive linguistics and the interface of syntax and semantics in comparative studies of English and Chinese.

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