So if you have plasmid where you know all the base pairings than you could go through that plasmid and say I want to cut it right here.

如果你已经知道某个质粒上的所有序列,你就可以决定从哪里切开质粒

耶鲁公开课 - 生物医学工程探索课程节选

And again, if you're not in that category, talk to John or I after class, and we'll help you figure out where you might want to go.

再重申，如果你不是这样的学生，请课后来找我或者John谈谈，我们会帮你寻找,更好的去处。

麻省理工公开课 - 计算机科学及编程导论课程节选