In that case, a 50% heat loss from the head, which only makes up 7% of the body's surface area, seems like an overestimation.

在那种情况下，50% 的热量散失只来自于占身体表面积 7% 的头部这个说法似乎有点高估了。

And when economists do surveys of people, they find that overestimation does explain some of the bias, but it's not the whole story.

当经济学家对人们进行调查时，他们发现高估确实可以解释一些偏见，但这并不是全部。