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The greatest improvement in the productive powers of labour, and the greater part of the skill, dexterity and judgement with which it is any where directed, as applied, seem to have been the effects of the division of labour.

劳动生产力的最大进步，以及劳动的技能、灵活性和判断力的大部分应用，似乎都是劳动分工的结果。

— Adam Smith 亚当·史密斯