But seeing the seriousness of his question,she said, "The mark has so often been called a charm that I was simple enough to imagine it might be so."

VOA: special.2009.09.26

I have no idea what's here at the moment so I'm just going to draw a question mark because that memory might have been used previously for some other purpose, but we know it's currently available to us so we have four bytes of memory.

我不知道在此刻这里是什么,所以我画一个问号，因为那块内存可能在之前,为其它的目的而使用过，但是我们知道它可以为我们所使用,这样我们就有4个字节的内存。

哈佛公开课 - 计算机科学课程节选

Here's where I come back to that example that I already gave you with a question mark next to it when I was talking about Saussure.

我这就要再讲一下我已经讲过的例子,就是我们讲索绪尔时讲到的那个存疑的例子。

耶鲁公开课 - 文学理论导论课程节选

"So there's a big question mark,". "Who is responsible for such a heavy increase of production and export of the narcotics, because all of the areas where this cultivation is underway are controlled by NATO forces in one way or other?" Akhonzadeh said this reality cannot be ignored and called for new ideas,strategies and methods to tackle the problems of Afghanistan.

VOA: standard.2009.03.27

This question mark I mean it's obviously not a question mark.

这一个问号，显然不是一个真正的问号。

哈佛公开课 - 计算机科学课程节选

he says with a question mark.

他打了一个大大的问号

耶鲁公开课 - 美国内战与重建课程节选