That's important because one of the attributes of stem cells is that they remain at their site and capable of reproducing themselves.

这非常重要,因为干细胞的性质之一,就是它们能维持自身的状态,并能进行再分裂

耶鲁公开课 - 生物医学工程探索课程节选

They are unregulated by law; they are unregulated by authority. The state of nature is simply a kind of condition of maximum insecurity, an unregulated market with no common laws or rules to sustain it.

法律，权威使然,自然状态就是,一种最大安全感的状态,是一种没有法律规范维持的,不加管制的市场。

耶鲁公开课 - 政治哲学导论课程节选