这座城市有一个音乐厅和两个剧院。这两个剧院都是在20世纪50年代建成的。
The town has a concert hall and two theatres. The latter were both built in the 1950s.
20年后，这个村庄遇到了一个新的问题，因为20世纪90年代建成的化工厂和炼油厂严重污染了环境。
The village encountered a new problem two decades later as the environment became heavily polluted by chemical plants and mine refineries built in 1990s.
面对城市中数量巨大的70年代至80年代建成的住宅区，过去大拆大建的大规模更新弊端已经越来越明显。
Facing a huge number of residential areas built in 70's and 80's, the disadvantages of the large-scale urban regeneration is increasingly evident.
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