“The extra people can cover the contingencies that you know are going to happen, such as when crises take people away from the workplace.
“The extra people can cover the contingencies that you know are going to happen, such as when crises take people away from the workplace.
多余的人能够保证在意外发生时你知道将会发生什么，例如当危险发生时使人们离开工作场所。