I was working in such chemical factory in 1980s. The work site,

來源: WXC1204 於 2018-07-03 20:24:37 [] [舊帖] [給我悄悄話] 閱讀數 : (180 bytes)
回答: 這一點，美國占便宜，中國不適宜 由 fourwaves 於 2018-07-03 19:59:30

near downtown Shanghai, was very very dirty. I remember one of the offices in the factory was almost dedicated to dealing with the neighbor residents' complain.

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