深入浅出，哲理性好强！但如同罗旋楼梯，虽然表现形式会改变，事物的方向总会周而复始？

来源: 古树羽音于 2023-11-08 14:10:33 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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