Senators can threaten a bill with unlimited debate unless sixty senators vote to prevent it.

VOA: special.2010.01.23

Unlimited leverage comes automatically with an option exchange. And derivative trading which made the option exchanges look like a benign event.

期权交易与无限杠杆率是与生俱来的,而且金融衍生品交易使得,期权交易看似有益。

斯坦福公开课 - 经济学课程节选