Yes, of course. There is an underground dinosaur World. there you can see the fossils of many kinds of dinosaurs. Shall we go to visit the dinosaurs first?

当然可以。有一个地下恐龙世界。在那儿你能看到许多种类的恐龙(化石)。我们先去看一下恐龙好吗？

youdao

Some illegal immigrants go underground to evade deportation, but the Immigration Service has no idea how many, since it does not keep track of how many leave the country voluntarily.

ECONOMIST: Deportation