This is a contract with his father in this passage.

这段话是他与父亲的合同。

耶鲁公开课 - 弥尔顿课程节选

For example, maybe you have been presented with a contract that you are not satisfied with.

例如，你得到一份并不令你满意的合同。

I will 课堂 - SpeakingMax英语口语达人

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

How many of you have a written contract, stuck with a magnet on the fridge, telling you when you're supposed to tidy up.

有人写过协议吗,在冰箱上贴个磁力贴,规定好什么时候该谁打扫房间

耶鲁公开课 - 博弈论课程节选

Milton makes a covenant with the reader. It's as if he's signing a contract because he's asking for credit here.

他与读者签了契约，就好像,因为他要借款所以签了份合同一样。

耶鲁公开课 - 弥尔顿课程节选

So if you get the CD set, not only do you get a wonderful beginning library of classical music but in effect you get a lifetime service contract with it.

所以一旦你买了整套CD,你不仅可以拥有一个古典乐图书馆,而且还可以享受终身服务

耶鲁公开课 - 聆听音乐课程节选

A contract is more then communication, a contract is communication with teeth. It actually changes the payoffs.

协议的效力大于口头约定,协议是有违约责任的,它影响收益

耶鲁公开课 - 博弈论课程节选

They could say I won't lower my prices if you don't lower your prices, and they could put this contract in with the pricy lawyer, who's taking a day off from the divorce court, and that would secure that they wouldn't lower prices on each other.

可以协定好你不降价我就不降,然后可以找个刚处理完离婚纠纷的,著名律师来作见证人,那样他们就放心对方不会打价格战了

耶鲁公开课 - 博弈论课程节选