Because it challenged the whole class system, that people are born into a certain place and cannot-- and should not-- be moved.

因为它挑战了整个阶级体系，人生来就有阶级，不能-,也不应该被改变。

哈佛公开课 - 幸福课课程节选

Under-nutrition--now I'm going -this slide has a lot of information on it and I'm going to come back to it in the class where we talk about hunger, but I show it today because of course undernutrition can affect every single system of the body and can have devastating consequences on people's health.

营养不良,这张幻灯片上有很多关于营养不良的信息,以后讲到饥饿的时候,我会再回头来讲这张幻灯片,我今天让大家看是想告诉大家,营养不良一定会影响身体的每一个系统,并对人们的健康造成巨大的破坏

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The immune system, some cells of the immune system, in particular this class of T-cells called CD8 cells have receptors which recognize MHC1.

免疫系统,其中一些免疫细胞,特别是T细胞中的,CD8细胞含有可识别MHC1的受体

耶鲁公开课 - 生物医学工程探索课程节选

So, that's antigen presentation to this population of cells called cytotoxic T-cells, Tc, a subset of the class of T-cells in the immune system.

这些细胞被呈递给另一种细胞,这些细胞被称为细胞毒性T细胞,是免疫系统中T淋巴细胞的亚群中的一种

耶鲁公开课 - 生物医学工程探索课程节选