Our bulletin boards of sorts, discussion forums, where you can not only browse discussions, questions that your classmates have asked, you can certainly ask questions of your own.

在我们的电子公告牌，论坛，你们不仅可以浏览其他人的讨论，你的同学们所问的问题，你们当然也可以问你们自己的问题。

哈佛公开课 - 计算机科学课程节选

If you would like to flag them as private, because you just don't want your classmates to see what you're asking, you can certainly do that.

如果你想要把它们标志为私有的，不想让你的同学们,看到你问的问题，你当然也可以这样做。

哈佛公开课 - 计算机科学课程节选