depend [di'pend] v.依赖；取决于；指望
depend on/upon 依赖；取决于；视……而定
it/that all depends 要看情况而定；这得看情况；看情况
Children depend on their parents for food and clothing.
Health depends on good food, fresh air and enough sleep.
We may go there, but it all depends.
It all depends on the risks you wish to take.