So for a third ticket his utility would three goes up like that,

第三张票它的效用将会是这样
utility would go up like this.

效用这样增长
It's a little flatter again.

变得更加平坦了
So here we have a utility function

我们得到了一个效用函数
which is increasing the number of tickets you hold.

效用随票数的增加而增加
It's not restricted to just having one ticket,

不仅限于一张票
but the rate of increase goes down as you get more and more tickets

随着票的增加
from the rate of increase of forty-four,

速率从四十四开始降低了
to the rate of increase of forty,

降到四十
to the rate of increase of thirty-six.

降到三十六
Now, if you ask this person how many tickets does he want to buy,

现在如果你问这个人想买多少张票
well what's he going to say?

他要回答什么呢