A perpetuity is an asset or a contract that pays a fixed amount of money each time period, forever.

永续年金是一种财产或者合同,规定在每一时间段内,支付一定数量的货币,直至永远

耶鲁公开课 - 金融市场课程节选

He's engaging his father in to a contractual situation just as he will engage the entire English people in The Reason of Church Government.

他在使他的父亲加入这个合同,就像他使整个英国国民加入一样,我们在《教会政府的原因》里已经看到过。

耶鲁公开课 - 弥尔顿课程节选

The futures contracts were invented in Japan in the 1600s at Osaka and they were developed for the rice market in Japan.

期货交易合同发明于,16世纪的日本大阪,并在日本的大米市场得到发展

耶鲁公开课 - 金融市场课程节选

And so if you sign a contract with the government for millions of dollars, you have guarantee to get your dollars back, plus whatever profits they allowed in the contract.

所有如果你和政府签订了合约,做了一个百万的大单子，你能保证拿到钱，和其他的利润,在合同里规定的利润。

斯坦福公开课 - 经济学课程节选

So, for example, in around 1900 in America or a little bit earlier, let's say 1880 in America, it really isn't clear that it was illegal to write agreements to say we'll restrict quantities.

比如1900年甚至更早的美国,假如是1880年的美国吧,在当时这种限制产量的合同是否违法,在司法上没有明确的界定

耶鲁公开课 - 博弈论课程节选

An option is a contract that says you can buy so many shares of a company.

期权就是指你可以,在公司里购买多少股份的一份合同

耶鲁公开课 - 金融市场课程节选

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

A forward contract is a contract made between two parties for execution in the future.

期货合约是指双方按约定,在未来某一日进行交割结算的合同

耶鲁公开课 - 金融市场课程节选

Generally these are called over-the-counter contracts because they're not arranged through exchanges.

通常来说 它们被称为场外交易合同,因为这种交易是在交易所之外进行的

耶鲁公开课 - 金融市场课程节选