The Web site, a book and a series of art projects around the world will bring attention to the disappearing biodiversity on our planet.

VOA: special.2010.04.21

I asked each of them to bring a book that had informed that question for them, inside or outside of the classroom that they had read or what in Princeton.

我让他们每人带一本书来,这本书该为他们提供了对这个问题的提示,只要是他们在学校里课堂内外读过的都行。

普林斯顿公开课 - 人性课程节选

And other classes are completely closed book. You can't bring anything into it, even a calculator, so.

而有些课的考试是完全闭卷考试。考试时什么都不能带，甚至计算器都不行。

考试应该这么准备 - SpeakingMax英语口语达人