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

来源: WXC1204 于 2018-07-03 20:24:37 [] [旧帖] [给我悄悄话] 阅读数 : (180 bytes)
回答: 这一点，美国占便宜，中国不适宜 由 fourwaves 于 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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