劳动力市场的运作取决于供求关系。
The value of a commodity, or the quantity of any other commodity for which it will exchange, depends on the relative quantity of labor which is necessary for its production, and not on the greater or less compensation which is paid for that labor.
教育不能改变世界。教育改变人。人改变世界。
在计算中,平均故障时间越来越短。