There are advantages to underground , too, and something to be said for imaging whole cities, even mankind generally, moving downward, of having the outermost mile of the Earth's crust honeycombed with passage and strue-ture, like a gigantic ant hill.
There are advantages to underground , too, and something to be said for imaging whole cities, even mankind generally, moving downward, of having the outermost mile of the Earth's crust honeycombed with passage and strue-ture, like a gigantic ant hill.
这是一个倒装句，表示设想条件与结果关系，按这一关系来译比直译好，家似的建筑物，一座座城市都迁入地下，甚至全人类都迁入地下生活，这也会给人类带来很多好处。