To obtain the same living standard in an average US city, you need roughly twice as much money in Shanghai or Beijing, according to:
权威机构的世界城市消费水平排行(比单纯比较中国国外有意义的多)
http://web.wenxuecity.com/BBSView.php?SubID=backhome&MsgID=60160
权威机构的世界城市消费水平排行(比单纯比较中国国外有意义的多)
http://web.wenxuecity.com/BBSView.php?SubID=backhome&MsgID=60160