I constructed a series of home prices -that's the red line and the red line is -you can see how it's moved through history.

我绘制了一条房屋价格的时间序列曲线...,就是那条红色的线,你可以看到它的历史走势

耶鲁公开课 - 金融市场课程节选

And if you graph it, they gradually get better and better.

如果绘制一个学习曲线，你会发现它们越做越好。

耶鲁公开课 - 心理学导论课程节选