1、
Factory workers arrive early and stay late, without pay. Training at weekends may be uncompensated.
工厂工人不收工钱早出晚归, 周末安排的培训也不会有补偿.
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2、
3、
He spares no pains in his work, going out early and returning late every day.
他的工作很劬劳, 每天都要早出晚归.
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