Cognitive value of language mainly develops in the process of thinking and its social communicative function is reflected in exchange of human thoughts.

语言的认知价值主要在充当思维工具的过程中发挥出来，它的交际作用主要体现在思想交流中。

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But without any true exchange from merchant A to consumer B research shows that more and more consumers are beginning to miss the social exchange that is part of the buying process.

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