The reason for inexact doesn't mean it's a crummy measurement, t means that it's path dependent, and so the value of this integral depends on how you get from one to two.

这是因为它是,与积分路径有关的，因此这里的积分值，取决于从一端到二端的,具体路径。

麻省理工公开课 - 热力学与动力学课程节选

We wanted this to be a twenty shilling coin but now in the market it's trading at twenty-one.

我们希望它是一个值二十先令的硬币,但现在它在市场上以二十一个先令的价值来交换。

耶鲁公开课 - 金融市场课程节选

That means that you can go through twenty years of a career on Wall Street and all you've observed is observations in the central region.

这就是说,你在华尔街混了二十年,所有观察值都集中在中心区域

耶鲁公开课 - 金融市场课程节选

To actually apply this it helps to go to something called the normal approximation to the binomial, because it's kind of difficult to compute this formula.

在实际应用这些公式的时候,需要运用二项分布的正态近似定理,因为二项分布公式的值很难计算

耶鲁公开课 - 金融市场课程节选

Then they implemented a rule that the guinea is worth twenty-one shillings.

于是政府就执行了一个新令,规定一个几尼值二十一个先令的价值。

耶鲁公开课 - 金融市场课程节选

Then the relative price of gold versus silver shifted to the point that the gold with at the twenty-one shilling exchange rate the gold shilling was worth less the gold guinea was worth less than twenty-one shilling.

之后，金子相对于银子的相对价格,就移动到另一个值,在二十一个先令的兑换率下,金先令价值少于,金几尼的价值少于了二十一个先令的价值。

耶鲁公开课 - 金融市场课程节选