There are so many people living in hawaii now that there are residential areas where there used to be farms. this sentence,why has "there" after"where".And translate it with fluence.
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现在,有如此多的人住在夏威夷,以至于曾经是农场的地方都变成住宅区.where是个关系副词,它引导后面的定语从句.there used be的意思是“过去曾经是”