So, these are all involved with our ability to maintain homeostasis by exchanging materials with the external environment.

这个过程关乎人体维持内稳态的能力,内稳态通过与外环境进行物质交换来实现

耶鲁公开课 - 生物医学工程探索课程节选

The second case study of moral feeling is "in-group" and "out-group."

第二个道德情感的案例分析,是“内群体”与“外群体”

耶鲁公开课 - 心理学导论课程节选