资本家利用劳工的剩余价值发家致富.Capitalists use laborers'surplus value to make a fortune.劳工的工资很低廉, 但是水 、 电和就学则是免费.Wages were low, but water, electricity and schooling were free.雇主愿减少劳工的人事流动.Employers wish to reduce labor turnover....