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.
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.
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