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有这样一个故事:美国一家著名的报社以1000美金向全国征求最佳答案:有一艘船载着三个人,其中一个是美国著名的物理学家,另外两个分别是美国著
There is a story like this: A famous U.S. newspaper solicited the best answer from the entire nation for $ 1,000: one ship carrying three people, one of whom is a famous American physicist and the other two being American