什么叫有用的东西，钢铁汽车铁轨对于一个开始工业化的国家比雪花膏芝麻糖重要。

来源: borisg 于 2025-09-16 06:53:30 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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