Not until the 18th century did labor begin to be divided along a sharp line: wage-earning for the men and unpaid maintenance of household and children for the women.
直到18世纪家庭分工才有了清晰的界限：男人负责赚钱养家，女人做家务带孩子。
2
One component of the earning power oflabor is its inborn characteristics .
劳动力挣钱能力的一个组成部分就是劳动力的天赋能力。
3
In this essay, Shaanxi country economys non Walrasian equilibrium is drawn by the analysis on its supply and demand oflabor and goods, and the peasant's earning and expenditure.