发生这种情况时，如果对象的状态被意外地更改，这两个类中的一个或两者将会产生混淆。

When this happens, one or both of the classes will be confused when the object's state changes unexpectedly.

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眩光是一个大问题，因此，戴上墨镜，并确保您的挡风玻璃是干净的。被耀眼时容易发生意外。

Glare is a huge problem in the sunshine, so wear sunglasses and make sure your windscreen is clean. Dazzle causes accidents.

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民航历史上曾发生过许多次客机被击落的惨剧，其中不少都是意外，距离这次空难最近的是2001年的一次击落事件。

In the history of civil aviation there have been a number of tragic incidents when passenger planes have been shot down, often accidentally, even as recently as 2001.

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