词典释义：
值班人员
It can reduce the operations executed by the person on duty, inevitably depress mistakes happen and decrease the workload of the person on duty.
其目的是为了减少不必要的人为工作，降低可能的失误概率，避免意外情况下人身事故的发生。
Breakfast was fine with a cheery person on duty in the dining room .
早餐对于在餐厅值班的兴高采烈的员工来说似乎还行。
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