The idea behind Britain's health-care system is straightforward, says Michael Summers of the non-profit Patients Association that helps people understand the National Health Service.

VOA: standard.2009.09.24

So, the idea that theorists suggest-- and it may be unreachable-- but the perfect financial system would have all of our risks pooled completely.

理论家提出的这一理论-,可能无法达到-,但是一个完美的金融体系,能够将所有的风险完全分摊。

耶鲁公开课 - 金融市场课程节选

Anybody have an idea? What's the one function of state? I'm the system, the rest are the surrounding. What's the one function of state that's constant when I'm doing all my chemical reactions to move my arms around?

态函数又是什么呢？,我是一个系统，其余的是周围的环境,那么当我在做所有的化学反应,去四处移动我的手臂的时候,什么量是常数？

麻省理工公开课 - 热力学与动力学课程节选