Now, the differences here may be subtle in terms of chemical composition or if you put these cells under a microscope and looked at their analysis.

干细胞与祖细胞化学成分的区别,还非常微小,除非你把细胞放在显微镜下,或者看细胞分析报告

耶鲁公开课 - 生物医学工程探索课程节选

Yeah, so for example, you get exposed to-- before there was a vaccine your brother or sister had chickenpox, and so you got exposed to chickenpox naturally through your contact with them.

举个例子来说,如果你生活在这样的环境里,兄弟姐妹们还没接种疫苗就得了水痘,而你通过与他们相接触,在自然情况下接触到了水痘病毒

耶鲁公开课 - 生物医学工程探索课程节选

Well, one of the greatest philosophers I ever read was Aristotle and I think his Nicomachean Ethics, if you read it, makes a great deal of sense -where you live with this golden mean but at the end use your intellect.

我所了解的哲学家之一是,亚里士多德，我觉得他写的《尼各马克伦理学》,非常有意义，如果你读一读的话你就会发现这一点,-在读这本书时你与他的中庸之道同在,但最终你还需动用你的智慧。

耶鲁公开课 - 金融市场课程节选