Engineering students at Northwestern University are getting a leg up on the competition.

西北大学的工科生在竞争中占取优势。

They believe they get a leg up.

他们相信自己有优势。

So, making things physically uncomfortable or getting a leg up.

所以，让身体不舒服或站起来。

But if it does, it could help explain how early humans got a leg up on their competitors. Or, really, two legs.

但是如果可以，那将有助于解释早期人类是如何在竞争中占据优势的。或者，实际上是获得了压倒性的优势。

It's not easy to get a leg up on so much competition though and a lot of squares may not want to play.

虽然，在这样的比赛中占上风是很难的，而且许多选手都不想参与。

We need a tax code that truly helps working Americans trying to get a leg up in the new economy, and we can achieve that together. (Applause.) We can achieve it together.

我需要一部新税法，能够真正帮助工薪阶层在新经济环境中进步，我们一定可以共同达成这一目标。我们一定能做到。