And so that very practical consideration turns out to be important in how we use vaccines in real populations.

所以,如何使疫苗接种更便于,实际操作就变得非常重要

耶鲁公开课 - 生物医学工程探索课程节选

There's very much economic consideration going on, and women just being very practical.

经济的考虑会大量地卷入其中，也有的女性只是很实际。

普林斯顿公开课 - 人性课程节选