But it's really a chance, especially for those less comfortable, to be set off on a very specific path.

这的确是一个机会，特别对于那些不怎么舒适的，这是通过,特殊途径开始的好机会。

哈佛公开课 - 计算机科学课程节选

It turns out that blood within the umbilical cord is also a rich source of stem cells and again specific to a particular patient.

研究发现脐带血中,也有丰富的干细胞资源,并且对一些特殊的病人有特别的意义

耶鲁公开课 - 生物医学工程探索课程节选