Much easier to keep a flask of cells under very sterile, very reproducible conditions than it is to keep a small animal, right?

保存一小瓶细胞,该细胞可在无菌条件下再生,这要比保存小动物容易的多

耶鲁公开课 - 生物医学工程探索课程节选

I've got a little piece of code called same point.

一小段代码,稍微往下一点。

麻省理工公开课 - 计算机科学及编程导论课程节选