以下为句子列表：
英文: Ask someone from St.Louis where the nearest sandwich shop is,and he or she will politely give you directions.
中文: 如果向圣路易斯人询问最近的三明治店在哪里，他们会很礼貌的为你指路。
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英文: The local sandwich shop has three cash registers. In how many possible ways can four customers line up at the registers?
中文: 一个卖三明治的店有三个收款机。四个顾客排队付款，有多少种可能的排队方式？
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