熊羡慕鸟能飞，鸟羡慕熊有四肢。为什么它是鸟，而它却是熊？这个问题令我很困惑。还有人同样困惑吗？

来源: WXCTEATIME 于 2019-11-20 12:54:05 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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