Since an event represents something in the past, it can be considered a statement of fact and used to take decisions in other parts of the system.

既然一个事件表达了过去发生的事情，他可以被认为是一个事实的阐述并且可以被系统的其他部分用来做决定的依据。

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This technique should only be used by designers who have a real feel for aesthetics and how to take an idea like "space" and not make it look like something from an old Windows screensaver.

要掌握这种创意技巧，设计者需要对美学有很好的感觉，懂得如何表达“空间”的概念，千万不要把它变成一种类似于老版Windows屏保的怀旧效果。

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