It's better translated this way: He said, 'Let there be light and there was light.'" And that translation suggests that the story isn't concerned to depict the ultimate origins of the universe.

这样翻译会更好：,他说，“要有光，于是便有了光“,这样说便表明故事并不旨在描述,宇宙最初的起源。

耶鲁公开课 - 旧约导论课程节选

You'd want to make sure that you separated the virus from all the other parts of cow skin so that your ultimate preparation was enriched in the virus and didn't contain quantities of other things that would be hazardous.

你要保证,你从所有的牛皮组织上分离出病毒,这样最终的制剂产品才会富集病毒,并且不会携带其它物质,这些物质可能带来危险

耶鲁公开课 - 生物医学工程探索课程节选