So if you're waiting for tomorrow, why not do it today?

所以，如果你正在等待明天，为什么不今天就做呢？

youdao

“I’m thinking, why not do the party here?” she said with delight.

她说：“我在想，干嘛不把庆功派对开在这里呢？

youdao

It's not a pure dichotomy anymore that entrepreneurship is risky and other jobs are safe, so why not do what I love?

创业有风险，其他工作才安全，这已不再是笃定的情形，因此为何不做我所喜欢的呢？

youdao

why,when we do not sleep, we do not function well. We just do not know much about sleep at all."

VOA: special.2009.08.26

But, you know why not do something a little special, little different, and they decided instead to use lithium.

但是你懂的，为什么不做的更特殊，更与众不同一些呢？

麻省理工公开课 - 化学原理课程节选

Usually when you know why it's not working, it's obvious what you have to do to make it work.

通常你明白了出错的原因后，很明显你必须让程序正常运行起来。

麻省理工公开课 - 计算机科学及编程导论课程节选

So, why not do the same with the work you need to consistently do?

FORBES: 5 Steps Entrepreneurs Should Take To Get More Done

If Labour successfully rode a tide of Welsh patriotism, why not do the same across the UK?

BBC: Does it pay for politicians to be patriotic?

Why not do it now to get the -- so that the Republicans will vote with them?

WHITEHOUSE: Press Briefing