A：为什么你到现在还是单身呢？

A: Why are you still single?

youdao

为什么你到现在还没有结婚？

Why you haven't got marred till now?

youdao

到现在为止，关于为什么人们应该接受你的建议，我已经给出了所有逻辑上的论据。

So far, I've presented all the logical arguments for why people should follow your advice.

youdao

If you don't know why you're about to eat cake like that you will soon, but you know this.

如果你现在还不知道为什么将要吃到那样的蛋糕,很快就会知道的，你清楚这一点。

哈佛公开课 - 计算机科学课程节选

Now, you can see why I'm talking about systemic effects.

现在你明白为什么我要说到系统性作用了

耶鲁公开课 - 金融市场课程节选