Still if we ask, "What's doing the metaphysical ?" work here?" What's the key to ? being the same person?

如果我们问，“这和形而上学,有什么关系,成为同一个人的关键是什么？

耶鲁公开课 - 死亡课程节选

So, making gene therapy specific is a key problem in making it work.

所以基因治疗中,特异性对能否成功就至关重要了

耶鲁公开课 - 生物医学工程探索课程节选