Three ReasonsTeacher: Stone, give me three reasons why you know the Earth to be round. Stone: Ma says so, Pa says so, and you say so!三條理由老師：斯通，説出三條理由來證明地球是圓的。 斯通：媽媽是這麼説的，爸爸是這麼説的，你也是這麼説的。
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