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一个美国笑话:牛奶商:“约翰,今天早晨你往牛奶里加水了吗?”新来工人约翰:“是的,先生。”“你知道那是很不对的吗,约翰?”
An American joke: Milkman: “John, did you add water to the milk this morning?” Newcomer John: “Yes, sir.” “Do you know that’s pretty bad, John? ”