I am not tutored in warfare,

我没学过兵法

If war were arithmetic, the mathematicians would rule the world.

靠算术能打仗 数学家早统治世界了

And get this, Carlos. Her math teacher wrote,

听好 卡洛斯 她的数学老师写道

But then something truly horrible comes along...

可随后真正可怕的事发生了

Yes?

-请讲

reason you would choose to assume P_Y or

是否有其他的理由你会选来假定P_Y或者

and plug it into a formula,

代入等式中

The price is just the present value of the coupons

债券的价格等于 当利率为r时

they brought out little plastic ants

老师拿出小塑料蚂蚁

and they put a pile of them on the--

老师把一堆蚂蚁放在--

because it's a new idea, it seems like a lot of math around.

因为这个新概念好像需要很多数学知识

It's just this idea of not panicking.

大家没理由慌张的啊