In other words, it would take you over a hundred years of doing nothing but counting one number every second just to count to 3

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问题 In other words, it would take you over a hundred years of doing nothing but counting one number every second just to count to 3 billion.

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答案换言之,你要心无旁骛地一秒钟数一个数,数100多年才能数到30亿。

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