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(0/) 2025-12-15 07:52:18
这是一篇很好的文章,量化地讨论了美国为什么寿命比欧洲国家低。
(1/) 2025-12-14 08:03:15
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都在国外呆这么年了,怎么基本思想还是建立在国内上中小学接受的意识?
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Do the right thing, not the easy thing
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