The invention of all those machines by which Labour is so much facilitated and abridged, seems to have been originally owing to the division of Labour.
简化劳动和节省劳动的那些机械的发明，看来也是起因于分工。
The invention of all those machines by which Labour is so much facilitated and abridged, seems to have been originally owing to the division of Labour.
简化劳动和节省劳动的那些机械的发明，看来也是起因于分工。
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