清零失败的判断标准是什么？现在国内疫情已经过去了，各旅游景点人山人海的。什么地方看出失败了？

来源: Santaiyang 于 2023-02-07 19:54:12 [旧帖] [给我悄悄话] 本文已被阅读：次

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