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1. 今天布宜诺斯艾利斯的许多豪华街区从前也有这样的贫民区，但是20世纪70年代，军事独裁的政府把大部分都推毁了，居民只得流移失所，搬到了偏远的郊区。
Many of Buenos Aires`s posher areas used to include similar enclaves of poverty. But a military dictatorship in the 1970s destroyed most of them, expelling their residents to distant suburbs.