上海是座蓬勃向上的特大型城市。
重庆是中国西部地区唯一汇集水、陆、空交通资源的特大型城市。
Chongqing is the only super-large city in the southwest region of China converging the resources of water, land and air transportation.
上海是一个资源、能源都十分匮乏的特大型城市，在走生态型城市建设的道路上必然会遇到各种阻碍因素。
Shanghai is a mega city with very limited resources and energies, and it is evitable to confront many cumbering factors toward the ecotype city.
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