加拿大人口相對集中在幾個大城市，群體傳染的機會大。這個月將很艱難。保重。最好再加一層自製的布口罩

來源: fuz 於 2020-04-03 09:01:07 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.