It would be so easy if you built a cohesive system that carries the entire transaction to create a receipt that is useful.

如果你建立一个,能覆盖整个交易过程,能产生有效的收据的系统,一切都会变得更容易。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

You can see that by doing this transaction I have locked in a return between 1926 and 1927.

你们可以发现,通过以上交易,我确定了26到27年间的回报

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I bought a number of two-period bonds such that the value of my purchase exactly equals the proceeds that I get from shorting the one period bond, so I've made a zero wealth transaction.

我买入了一定数量的两年期债券,其成本刚好等于我卖空,一单位一年期债券获得的资金,我做的是零成本交易

耶鲁公开课 - 金融市场课程节选