How do you know how much that is?

你该怎么得出那个最合适的赌注
Well, that's the kind of clever thing that these finance guys

这就是那些金融家们想出的巧妙的方法
developed and you're going to know how to do.

并且你将会了解到如何去做
So let's do another example like that.

那我们就再举一个类似的例子
I'm running out of time a little bit, but an example.

时间有点来不及了但就再多说一个
Suppose there's a deck of cards, twenty-six red and

假设有一副牌二十六张红牌和
twenty-six black cards.

二十六张黑牌
Somebody offers to play a game with you.

有人提出和你玩个游戏
They say, "If you want to pick a card and it's black I'll

他们说如果你抽了张牌并且是黑的
give you a dollar.

那么我就给你一美元
If it's red you give me a dollar."

但若是红的那你就给我一美元
So if I'm picking, I'm in the black,

所以如果我开始抽牌是黑牌