(SAYING) He says he was shocked to learn that when the Khmer Rouge took power,they emptied out the capital Phnom Penh at gun point and sent millions of people, including the old and sick, to toil in the countryside.

VOA: standard.2010.04.19

So the point I'm suggesting is that many of Socrates' students and associates including Plato himself had some connection with this oligarchical government that had ruled Athens for a brief time.

所以，我想讲的是,许多苏格拉底的学生或是同僚,包括柏拉图本身，都与这个,曾短暂统治雅典的,寡头政府有关连。

耶鲁公开课 - 政治哲学导论课程节选

Tangent means that it has the same slope, it just touches the efficient portfolio frontier for risky assets at one point, and the slope of the efficient portfolio frontier, including the riskless asset, is a straight line that goes through the tangency point, here.

相切意味着斜率相同，它与包含风险资产的有效边界,交与一点，而包含无风险资产的，有效边界，则是一条过切点的直线，切点在这里。

耶鲁公开课 - 金融市场课程节选