You didn't know who wrote it, where, when, how, why, and someone says to you, "I want you to draw some conclusions about that piece of writing.

你不知道是谁，在哪里，什么时间，怎么样，为什么要写,然后你被要求对篇文章，做一个总结。

耶鲁公开课 - 旧约导论课程节选

When we talk about what to eat, how do we get advice on this and where do we look?

当我们讨论到我们该吃些什么的时候,我们应该从哪儿以及如何获得参考建议呢

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选