The legends, just stories from generation to generation, changed, and molded, but nonetheless, retaining certain elements of the earlier tradition.

那些传奇,仅仅是一些代代相传的故事,它们被改编,被扭曲,尽管这样,仍保留了一些早期的传统元素

耶鲁公开课 - 古希腊历史简介课程节选

Once you have a difference that occurs, two cells are difference, those differences can propagate as the cells continue to divide.

一旦产生差异,产生两个不同的细胞,这些差异会伴随着,细胞分裂过程代代相传

耶鲁公开课 - 生物医学工程探索课程节选