I do want to talk about one important subject which you might not have thought too much about and that's lipids, because lipids are so important to the structure of the body because they make up the membranes that form the cells that are the fundamental units.

我的确想要讨论一个重要的主题,这个主题也许你们都没有深入思考过,那就是关于脂类的问题,脂类对身体结构形成十分重要,它是组成细胞膜的基本单位,而细胞膜能够维持细胞形态

耶鲁公开课 - 生物医学工程探索课程节选

But at the same time, because there is so much controversy about it,

然而，与此同时，因为克隆引发的争议很多，

生物克隆是热点问题 - SpeakingMax英语口语达人

So if you guys have had-- many health professionals say that there's not enough nutrition education out there, that most people don't learn it in the schools, people aren't getting it so much from families because families don't know a lot about nutrition, but the fact is you've had a lot of nutrition education and you've just proven it.

也许大家听说过,很多健康专家声称,现在的营养教育很匮乏,许多人在学校里学不到这方面的知识,在家里也得不到多少这类信息,因为很多家长对营养一知半解,但事实上你们已接受了大量的营养知识,刚才你们已经证明了这点

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选