If I had it to do over, I would travel lighter.

如果我可以重新旅行，我会轻装旅游。

But if I had it to do over again, I would have more of them - a lot more.

但是如果我可以重新来过的话，我会过得更加充实-获得更多。

A mistake is a choice people would make differently if they could it do over again.

如果下次再做事，人们可以选择不犯同样的错。

It's something that we have to do over and over again, that is, making up the world.

这是我们必须反复不断做的事儿，也就是说，创造这个世界。

If psychiatrists had it to do over again, most would still choose a career in psychiat

如果精神科医生不得不重新开始一次，大部分人仍然会在精神病学领域选择职业。