These signaling proteins play important roles in determining how many cells differentiate down particular pathways and they turn out also to be very useful for treating diseases of those pathways.

这些信号蛋白在决定特定分化路径上,有多少细胞在分化时起着重要作用,且在治疗疾病方面也很有用,同样也是利用这些机制

耶鲁公开课 - 生物医学工程探索课程节选

They are engaged in raising livestock, which in Greece is more likely to be sheep and goats than cattle, but also breeding horses, which is very important for the aristocracy for carrying on warfare.

他们擅长豢养牲畜,在当地似乎养绵羊和山羊比牛要来的容易,但是他们同样养马,这对于贵族阶层发动战争很重要

耶鲁公开课 - 古希腊历史简介课程节选