有新疫情就会有新疫苗，无穷无尽。到最后又变成了先有鸡还是先有蛋的问题。

来源: AprilMei 于 2022-06-27 15:02:35 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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