the depressed area

• 欠发达地区

the depressed area的用法和样例：

例句

1. All of this is necessary to help boost participation levels among the nation's undercounted groups, mostly ethnic minorities in economically depressed areas.
   这些措施都有利于扩大全国以往忽略的居住区，主要是经济欠发达地区的少数民族的参与水平。