Foreign research shows lexical chunk plays a primary role in language teaching and learning.

国外语言研究证明语块对于语言学习具有重要作用。

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In recent years, many applied linguists and educationists have emphasized the importance of the generative power of lexical chunks to second or foreign language learners.

近年来，词块的语言生成能力对二语和外语学习者的作用引起了很多应用语言学和教育专家的重视。

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