When you tell an Iowan a joke, you can see a kind of race going on between his brain and his expression.

When you tell an Iowan a joke, you can see a kind of race going on between his brain and his expression.

当你给爱荷华人讲笑话时，你可以看到他的大脑和他的表情之间有一种竞赛。

-- Bill Bryson 比尔·布莱森