A survey on the students of five universities in Beijing indicated that influence of communication is basically realized through personal exchange for ordinary food consuming.

对北京五所高校大学生进行的调研发现，在大学生日常的食品消费中，传播的影响主要是通过人际传播实现的。

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The technician attempts to produce better cooling in personal computers by stirring up the liquid with tiny jets to make sure maximum heat exchange.

这位技术人员试图用微型喷嘴搅拌液体，以确保最大的热量交换，从而为个人电脑提供更好的冷却效果。

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They make many personal sacrifices in exchange for income today.

他们为今天的收入做出了许多个人牺牲。

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For that type of communication you need the personal exchange to effectively get you point across and to understand their concerns.

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On New Year's Day each year it was customary for the English of all walks of life to exchange personal gifts.

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"I can, for this committee, state that there was no legal, personal or political exchange for my seat, " Burris told the panel.

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