如果一个组件已经在一个容器中，而你尝试将它添加到另一个容器，则这个组件会先从第一个容器中被移除，然后被添加到第二个容器。
If a component is already in a container and you try to add it to another container, the component will be removed from the first container and then added to the second.
如果租约已经到期，则可以通过移除其对该租约的引用来取消它，或通过调用该租约的一个或多个主办方来续订它。
If a lease has expired, it can either be canceled by removing its reference to the lease, or renewed by invoking one or more of the lease's sponsors.
如果你不想让一个用户来编辑已经发表的文章，你可以移除这个功能。
If you don't want what a user can edit his published posts, remove this capability. (see also this comment on the Role Manager Plugin Homepage).
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