Over time, you have probably downloaded all sorts of things — some useful, and others that are just plain trash.

随着时间的推移，你可能已经下载了各种各样的东西——一些是有用的，而另一些只是一般的垃圾。

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If you cannot explain it in plain English, there is a good chance that you actually do not understand things with with enough depth.

如果你没办法用平易简单的英文解释，这是一个让你知道自己没有足够理解内容的机会。

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Use plain language and say things like "I feel" instead of "You did this" or "You're being unfair."

用平淡的语言，比如“我感觉”而不是“你这样做”或者“你这样不公平”来描述事情。

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