Specifically, the interdependency here is, is that there are huge spillovers of skills -- that when other people's children get more skills, that actually increases the prosperity of everyone, including people whose skills don't change.
特别在这里他们是相互关联的 有大量的技术外溢效应 当其他人的孩子得到了更多的技术 实际上这样会让每个人更富有 包括了那些技术没有提高的人们