自然淘汰好像是生物界的自然規律。而且這病毒如果像流感病毒一樣，每年秋冬都會光臨，如何解決？

來源: kathyzh 於 2020-03-20 11:00:48 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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