That's his rate of return.

这就是他的回报率
And I showed you in the graph a long time ago that

我不久前给你们看过一张图表
that was actually done historically. We've done that.

其实我们过去已经做过了
Leamer did that here.

利莫尔在这里做的
He did that for every generation.

他做了每一代人的图表
Every birth cohort, the average person, what their return was,

每个人的出生年代平均每个人的回报率
and you see, it was very high to begin with and it become pitiful.

你可以看到开始很高但是很快减小
If you forecast the future for you, it's going to be less than 2 percent.

如果预测自己未来可能会低于2%
So Bush is saying, "Why should you, young Yale undergraduate,

布什说为什么你们这些年轻的耶鲁毕业生
why should you be satisfied with less than 2 percent?

你们会对于小于2%的回报率满意
Instead of paying those taxes to Social Security,

通过支付给社保这么多税款
you put them in the stock market, you get lots more than 2 percent probably,

如果你们投资股票市场能得到远大于2%