If you look at the behavior of groups of active managers and the dispersion of returns, I think it gives you some idea of what the efficiency is with which assets in these individual assets classes are priced.

如果观察一下主动管理型的基金经理们,和他们的投资收益分布,我想它会告诉你一些信息,哪些资产是有效定价

耶鲁公开课 - 金融市场课程节选

which is basically an extensive number of classes that everybody has to take if you're in Columbia College,

基本包含了大量的课，而且每个哥伦比亚的学生都要上，

哥伦比亚大学的教程 - SpeakingMax英语口语达人

If you use a navy, your state will be a democracy in which the lower classes are dominant.

olitea政体是柏拉图设想的完美政体 如果以海军为主力,那一定是以草根为基础的,民主政体城邦

耶鲁公开课 - 古希腊历史简介课程节选