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Yang Fan did not say a word, but smiled and looked into the old man's eyes.
After half a second, the old man broke the silence and said with a friendly smile, "Esteemed guest, why don't you come in and have a few sips of cold water?"
Yang Fan smiled faintly: "Going in is easy, but coming out is hard, so I better stay outside for the time being."
The old man slowly said: "Then