Although she has spent her life trying to protect chimps in their natural environment, these animals are still very much in danger.

VOA: special.2009.11.18

In order for life to proceed, you need to maintain a constant internal environment.

为了维持生命,人体的内环境需要保持稳定

耶鲁公开课 - 生物医学工程探索课程节选

Think of Star festival as a textbook that is come to life and environment where students can observe and draw their own conclusions, there is a path way to a new type of learning that is independent yet guided.

将Star，festival看作是一本教科书,走进我们的生活和环境,在那，学生们能观察,并得出自己的结论，有一条路通往学习的新形式,它独立自主，但也有所指导。

麻省理工公开课 - 媒体、教育、市场课程节选