translation.en: Theirs may be bigger, but ours is better, and it could be better, for example, in that it seems larger than it should be, with a much larger cerebral cortex than we should have for the size of our bodies.
translation.zh: 他们的大脑可能会更大，但我们的更好， 并且我们的可以变得更加好，例如， 在这似乎比它应该更大 与很多大大脑皮层比我们应该有的 对于我们的身体的大小。