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

So write the so called source code which is in a specific language.

用指定的编程语言,写出所谓的源代码。

哈佛公开课 - 计算机科学课程节选