We think the company should consider introducing an evening shift to maintain seventy percent capacity on all the machines.

我们认为公司应该考虑引进晚班制度，来维持所有机器70%的生产能力。

Employees at the store said thefts have been surging over the past two-plus years, with one estimating a minimum of four shoplifters every evening shift.

该店员工表示，在过去两年多的时间里，盗窃案持续激增，有员工估计，每个夜班至少会出现四个小偷。