一个人呆着，未必就是独处。一个人呆着，什么事都不做，也不刻意想些什么，安静地面对自己，才算得上是独处。
When one stays by himself, he is not necessarily solitary. However, when he stays by himself, neither doing nor thinking of anything on purpose, and just facing himself, this can be regarded as real solitude.