城市边缘地区 meaning in English

interstitial area

Since the reform and opening up in china , the urban ' s attraction to outside area continue increasing because the gathering of industry , occupation and third industry in big cities , just like what is happening in other developing countries
自改革开放以来，我国许多大城市与其它发展中国家的城市一样，由于工业、就业岗位、第三产业的城市化聚集，大城市对周边区域的吸引力持续增长，大城市边缘地区已成为我国大中型城市发展、扩散、蔓延的关键地区。