In spite of that fact, it turns out that vaccines are one of the best uses of our money in terms of extending the lives of population.

尽管事实如此,结论显示,疫苗是在众多延续人类生命,花费中最好的方式之一

耶鲁公开课 - 生物医学工程探索课程节选

As I understand it, this is also connected with people gone before us, the ancestors, or however they're phrased, really being in touch with this continuum of life.

根据我的理解，这也与我们前面的古人相关，祖先也好，其他的名字也好，一切都是感受到，but，it’s为了,生命的延续。

普林斯顿公开课 - 人性课程节选