Now that doesn't seem surprising, but it directly contradicts classical economic theory. It's irrational.

这似乎并不奇怪，但它直接与古典经济学理论相矛盾。它并不理性。

Classical economic theory suggests that this idea wouldn't work since rational people would pick the brownie.

古典经济学理论认为，这个想法行不通，因为理性的人会选择巧克力蛋糕。