此设计不仅可以减少工人劳动强度，而且可以保证加工质量，从而可以获得更好的经济效益。
This design can not only reduce the labor intensity, but can guarantee the quality of processing, thereby be better economic benefits.
但如果我们每年生产相同数量的商品却需要更少的劳动工人——过去几年，生产我们需要的产品所需要的时间在减少。
But if every year we produce the same amount of goods with fewer people — in a few years far less working hours are needed to produce all the goods that are required.
如果农业收入开始增加，矿场和纱厂就会发现其劳动力将减少，除非其提供更加高的工资给来自农村的工人。
If rural incomes begin to increase, mines and mills will find their labor supply drying up unless they offer higher wages to village recruits.
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