有时候，有些人不需要说再见，就已经离开了。
Sometimes, some people don't need to say goodbye, had already left.
有时候，有些人，不需要说再见，就已经离开了。
Sometimes, there is no need to say goodbye to some people, for there they have gone away.
许多人不需要说再见，因为他们只是路人，忘却才是我们留给彼此最好的纪念。
Many people don't need goodbye, for they are just passers-by. To forget is our best memory for each other.
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