大家都用汙染總指數（AQI），數字才會遠高於日本的數字。難道東京的空氣比4h那裏溫哥華還要好？

來源: betadine 於 2016-01-03 05:30:38 [舊帖] [給我悄悄話] 本文已被閱讀：次

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