我也是看了半天啊。。。。这是古老智慧的因地制宜？呵呵，美国人加拿大人数学不好，胆子小的都看呆了吧？

来源: 可能成功的P 于 2023-10-26 16:39:38 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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