Firstly, if your friends have similar interests as you, they probably know many other people who have the same interests too, since birds of the same feather tend to flock together.
首先，如果你的朋友与你有着相似的兴趣，他则可能认识更多别的与你兴趣相投的人，要知道，人以群分、物以类聚。
They're Different Yet the Same - it's true that opposites attract, but it's also true that birds of a feather flock together.
他跟你既不相同又有很多相同点。异性相吸的说法有道理，然而物以类聚也是如此。
Well, birds of a feather flock together. Maybe that is the reason they are friends. They all act the same way.
物以类聚，也许这就是他们成为朋友的原因，他们做事方法如出一辙。
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