There are services now, we don't know yet how to get those stem cells out of cord blood and how to use them for therapies, but it's reasonable to think that we might know about this in 30 years.

现在已经有提供这样的服务了,我们现在还不知道如何从脐带血中,提取这些干细胞并用于治疗,但有理由相信,在未来的30年内我们会知道的

耶鲁公开课 - 生物医学工程探索课程节选

His idea of regime politea again the same word the same word that was used for the title of Plato's Republic is the centerpiece of Aristotle's politics literally.

他的政体概念，Politea，是同义字,且这个字还用于,柏拉图的《理想国》，而那可说就是,亚里士多德政治理念的中心思想。

耶鲁公开课 - 政治哲学导论课程节选