The institutions and the ideas therefore, that provide for freedom and improvement in the material conditions of life, cannot take root and flourish without an understanding of how they came about and what challenges they have had to surmount.

故此,这些机制和理念,为物质生活条件的自由和改善,提供了基础,但在不知道其根源且,无法预料的挑战之前,机制和理念是不可能扎根的

耶鲁公开课 - 古希腊历史简介课程节选

Some are going to reform and some are going to reform with the gene in, and some probably aren't going to reseal at all under the conditions that I've used.

有些质粒会自己合上,有些质粒会与DNA片段重组并合上,还有的在我提供的条件下,也根本合不上

耶鲁公开课 - 生物医学工程探索课程节选