有人说，当对象承担应该由其他对象执行的职责时，它就是低内聚的，换句话说，高内聚需要限制对象的职责。
It is said that an object is low in cohesion when it takes on responsibilities that should be performed by other objects; in other words, high cohesion requires limiting an object's responsibilities.
执行管理层指派的其他职责。
执行其他需要的职责，例如移动供应品和器材，清理所有的溢出物等等。
Perform other duties asrequested, such as moving supplies and equipment, cleaning up spills, etc.
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