當然，坐飛機戴北美生產的N95或KN95口罩，去任何室內公共場所戴醫用的（飯店除外）

來源: fromamtopm 於 2023-01-11 07:58:06 [舊帖] [給我悄悄話] 本文已被閱讀：次

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