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

We also have standardized contracts that are traded on exchanges and they're called futures contracts.

也有在交易所中交易的,标准化合同,它们被称做期货合约

耶鲁公开课 - 金融市场课程节选

What if every synagogue and mosque, church, temple, secular humanist society was involved in congregational exchanges the way that most of these institutions are now involved in some kind of service work?

如果每座犹太教会堂，穆斯林清真寺，基督教堂，佛教寺庙，世俗社会都参与到,公众的交流中，将会怎么样？,大多数机构正在以这种方式,参与某种服务工作中？

普林斯顿公开课 - 人性课程节选