But if all of them had worked separately and independently without division of labor, they certainly could not have made twenty

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问题 But if all of them had worked separately and independently without division of labor, they certainly could not have made twenty pins in a day and not even one.

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答案但是如果他们分散工作,没有劳动分工,他们肯定不可能一天生产出20个大头针,也许一个也生产不出来。

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