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Windows of Knowledge

Asking difficult questions

作者:21ST
Aa
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探访哲学家的世界。

全版词数 620

建议阅读时间 15分钟

DOES a tree make a sound when it falls in the forest if nobody is around to hear it? You may think this question is easy to answer. But actually, philosophers have argued over the question for 300 years.
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