With a guide like Mist you are guaranteed to see new animals and learn a great deal.

VOA: special.2009.08.19

Please do it carefully, and I might even hand out a little bit of a study guide to help you with that.

希望大家认真阅读,我会发学习指南，来帮助大家。

耶鲁公开课 - 旧约导论课程节选

You could take the food guide pyramid and make it the reverse of what it should be and you still end up with something that people really wouldn't see very much, kids don't learn about very much, it doesn't really affect many people, so you could say that it doesn't really matter.

如果你把食物金字塔彻底扭转成另一版本,也不会怎么样,反正人们也不会过多地去关注它,孩子们也不会学它,它并不会真的影响人们的生活,因此你可以说它无关紧要

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

A guide or ranger comes with you to keep you safe and tell about the animals.

VOA: special.2009.08.19