they used to have smog too:-) Projects in US are not comparable

來源: newcomerST 於 2014-01-07 09:51:40 [] [舊帖] [給我悄悄話] 閱讀數 : (76 bytes)
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And  show me something in US as important as the Yangzi river in China.

請您先登陸，再發跟帖！