We even did one on supermarket layouts.

我们甚至做了一个关于超市布局的。

So we tracked down someone who knows a lot about supermarket layouts.

所以我们找到了一个对超市布局非常了解的人。

Our first topic: the psychology of supermarket layouts.

我们的第一个主题：超市布局的心理学。

The typical supermarket layout has barely changed over the past 90 years.

过去90年里，典型的超市布局几乎没有变化。