The thing that's really doing the heavy hitting on risk management is really the tax and welfare system.

而税收和福利制度能真正有效地,实现风险管理。

耶鲁公开课 - 金融市场课程节选

It means, when you are accelerating upwards, as the elevator picks up speed, the reading on the spring will be more and you will feel heavy.

也就是说当你向上做加速运动时,就像电梯加速的时候,弹簧的读数会增大,你会觉得自己变重了

耶鲁公开课 - 基础物理课程节选

For a long, long time the general wisdom was there were not heavy casualties in hoplite battles -- people calculating on what I was just talking about.

长期以来的共识是,方阵战不会造成大规模的伤亡,人们相信这一点

耶鲁公开课 - 古希腊历史简介课程节选