Don't remember is a good reply if you're auditioning to be the Attorney General, but it's not such a good reply. Anybody?

如果你是司法部长的话,我忘了是一个很不错的借口,可惜这里不是这样的,谁来回答

耶鲁公开课 - 博弈论课程节选

So remember last time I put up the article by the Crimson that was unfortunately I couldn't find ? a more recent one-- that was 2004?

记得上次,我提出的《哈佛克里姆森》杂志里的文章,很可惜我找不到,更近期一点的，那是2004年的？

哈佛公开课 - 幸福课课程节选

I mean, it's a pity we can't kill people in experiments deliberately anymore, because we need to see how this works, but I can't do it.

我的意思是,很可惜我们不能在试验中故意杀人,只为了搞清其中的原理,我们不能那么做

耶鲁公开课 - 古希腊历史简介课程节选