我们建造城市将会用尽地球上大部分的土地，所以将会建造悬空城市。

We will have used up most of earth's land to build our cities, so floating6 cities will have been built.

youdao

我们建造城市将会用尽地球上大部分的土地，所以将会建造悬空城市。

We will have used up most of earth's land to build our cities, so floating6 cities will have been built.

youdao