An abstract handler is used from which concrete handlers extend. The elements of this pattern are.

具体的处理者是从抽象的处理者扩展而来。

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A concrete handler implements an action to take the request object and to maintain a reference to the next handler in the chain.

具体的处理者实现了一个获得请求对象的操作，并为链中的下一个处理者维持一个参考标准。

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In this pattern, the client is the individual raising an ethical concern and the concrete handler is the management chain from the lowest tier to the top of the organization.

在这一模式下，客户是提高道德关注的个体，具体的处理者是从组织的最低层到高层的管理链。

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