两个吓人的蛋蛋没那么难，很多穷国都搞定了。精密的东西，设计与制造的距离才真常常是NO GO。做出来了还要赚到钱更难。

来源: 十具于 2022-11-05 09:40:12 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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