Both ancient ideologist and contemporary scholar have advanced various explains of labor division and exchange to the point of theoretical analysis.

从理论分析的角度来看，由古代思想家到当代学者都对分工与交换提出了种种解释。

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Transaction rents results in the emergence of exchange and the division of labor because of human nature of self - interest.

由于交易租金的存在，人们的趋利本性促使相互交易并产生分工。

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