This behavior occurs by design.
此行为是设计使然。
This behavior occurs when multiple clients are active and any single client close.
这种行为发生在多个客户端是活跃的和任何一个客户端关闭。
This behavior also occurs when you move through the collection using the up button.
当使用向上按钮在集合中移动时，也会发生此行为。
This behavior also occurs when you move through the collection using the down button.
当使用向下按钮在集合中移动时，也会发生此行为。
This behavior also occurs when you move through the collection using the down button.
当使用向下按钮在集合中移动时，也会发生此行为。
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