The best examples of this are fictional.

很多虚构的故事非常能说明这个道理

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Imagine--this didn't, of course, actually happen, but imagine--the crucial point here is simply that we can imagine this story happening, not even that we think it's empirically possible, just it's conceivable, it's an imaginable story.

想象,当然,实际上并没发生,最关键的地方就是想象,故事因此而产生,别去想实际上是否可能发生,只需要一点想象,这是个虚构的故事

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