"I can't answer that question." "But why can't you answer that question."

VOA: standard.2010.07.13

And if they can't answer that question, I say well, before you even run it, have an answer to that.

如果他们没法回答这个问题的话，我会说好吧，在你运行实验之前，先回答这个问题吧。

麻省理工公开课 - 计算机科学及编程导论课程节选

Idle can-- that's exciting. I hadn't expected that answer. All right, your question.

这很令人振奋，我从没想过答案会这样,好，你有什么问题么？

麻省理工公开课 - 计算机科学及编程导论课程节选

And I can't really answer that question.

我真的不能回答那个问题。

哈佛公开课 - 幸福课课程节选