但是如果我们只待在家里，关照自己的事情，谁还需要铁路？

But if we stay at home and mind our business, who will want railroads?

youdao

但是如果我们只待在家里，关照自己的事情，谁还需要铁路？

But if we stay at home and mind our business, who will want railroads?

youdao