If a baby can do, why can not you?

婴儿能做到的，你为什么做不到？

youdao

Why can not you sit below lamplight and see more clearly?

你为什么不坐在灯光下面而可以看得更清楚些？

youdao

If cycling each day can make you healthier, why not commit yourself to it and have a better life?

如果每天骑自行车可以让你更健康，为什么不承诺每天坚持骑车，过上更健康的生活呢？

youdao

So, we need to fill our octet for selenium, so 1, 2, 3, 4.So, this is our Lewis structure here, hopefully you can see why it's not linear.

我们要填满硒原子的八配位，所以1，2，3，4。这就是Lewis结构，希望你们能看出来为什么它不是直线型的。

麻省理工公开课 - 化学原理课程节选

You're not on the run from the FBI? We can ask you why?

请问没被FBI通缉吧?

耶鲁公开课 - 博弈论课程节选

Why can not you just admit that you threatened him!'

BBC: WEBLOG WATCH

Some will say: 'Why can you not do that AND deliver tax cuts?

BBC: NEWS | UK | Politics | Text of Michael Howard's speech

If you need the money back, why not just loan them what you can and do it without interest?

FORBES: The Troubling Trend Towards Family Loans -- How the Bank of Mom and Dad Is Stunting Economic Growth (Not to Mention Children's Own)