把这一句，留给此刻的你

The real challenge was to model all the interest rates simultaneously, so you could value something that depended not only on the three-month interest rate, but on other interest rates as well.

真正的挑战是同时对所有利率进行建模，这样你就可以对一些不仅依赖于三个月期利率，而且还依赖于其他利率的东西进行估值。

— John Hull 约翰·赫尔