In the past, when population grew, there was unexplored territory to inhabit. But now, almost all the habitable land has been explored.

在过去，人口增长的时候，有未开发的土地开发出来用于居住。但是现在，几乎所有的居住用地已经开发殆尽。

youdao

In the past, when population grew, there was unexplored territory to inhabit. But now, almost all the habitable land has been explored.

在过去，人口增长的时候，有未开发的土地开发出来用于居住。但是现在，几乎所有的居住用地已经开发殆尽。

youdao