A presidential race that is down to the wire is very close.

到了最后关头的总统竞选就接近胜利了。

So if something is down to the wire it means it goes until the very last moment.

因此，如果事情到了最后一刻，这意味着它会持续到最后一刻。

When we say something is " down to the wire, " we mean it is right before a deadline.

当我们说某件事“即将完成” 时，我们的意思是它正好在最后期限之前。

Of course, they probably prefer to be zipping off to space, but if you're down to the wire and you got to stay grounded, this is one advantage of having cable.

当然，他们可能更喜欢飞向太空，但如果你被电线束缚并且必须保持接地， 这就是使用电缆的优势之一。