猪圈边这么多人，是什么原因呢？

What can be the reason for such a crowd close by the pigsty?

youdao

可能是什么原因呢？

What could be the cause?

youdao

“那究竟是什么原因呢？”

"And what reason is that?"

youdao

And that keeps people trapped in abusive relationships but-- And that's number one, ? but what else might be going on?

这些考虑使得人们被困在家庭暴力中-,这是第一个原因，还有什么原因呢？

耶鲁公开课 - 心理学导论课程节选

Alright, so bubble of sorts of course is being poked fun at there for what reasons?

冒泡排序在这儿显然是被拿来开玩笑了,那么原因是什么呢？

哈佛公开课 - 计算机科学课程节选

But there's something, i think there's something in that, but there's a little bit more going on here, what more is going on?

我觉得这里有别的原因,更深层次的原因会是什么呢

耶鲁公开课 - 博弈论课程节选