自然規律，人老了，就會感發“一代不如一代”， “今不如昔”，

來源: 數學博士於 2024-08-23 15:00:37 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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自然規律， 人老了， 就會感發“一代不如一代”， “今不如昔”，