It varies in its structure among cells of the nervous system but all synapses have some properties in common.

突触结构因神经系统细胞不同而不同,但突触都有某些共同属性

耶鲁公开课 - 生物医学工程探索课程节选

But let's just think out loud about what these places had in common, and what this tells you about social structure and political outcomes in early modern Europe.

我们先来想想这些国家都有什么共同点,我们又能从中发现这些对于早期欧洲的,社会结构和政治成效又有着怎样的解读

耶鲁公开课 - 欧洲文明课程节选