Such a social mechanism is composed of specific subject, medium, object and background.

该社会机制有着由特定的主体、中介、客体和背景构成的基本结构。

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Such a social mechanism is composed of specific subject, medium, object and background.

该社会机制有着由特定的主体、中介、客体和背景构成的基本结构。

youdao