"It seems that more clarity is likely to emerge about who did what to whom and whether or not war crimes, crimes against humanity and other very serious human rights abuses were committed by one or both sides,"

VOA: standard.2009.10.25

I did not just introduce whether it's in the readings or in the lectures ideas just because they are interesting for the sake of the idea.

无论是论文还是讲座，我不会因为,某个理论有趣而去介绍它。

哈佛公开课 - 幸福课课程节选

One of the reasons for thinking it's not clear whether the argument fails or not is because it's hard to pin down, where exactly did it go wrong?

并不能确定这个论证是否成立,的其中一个原因就是,我们很难确定,到底是哪里出了问题

耶鲁公开课 - 死亡课程节选