Many of the new parents moved to homes in the new suburbs built outside the urban environment of cities.

VOA: special.2011.07.21

Behind this environment are the great social processes of migration and modernization that produced that new urban form, the metropolis.

在这种环境背后是移民和现代化的重大社会进程,所带来的新的城市形式，即大都市。

耶鲁公开课 - 现代诗歌课程节选