translation.en: And the more they do this, the more true it's going to be, because the more they do this, the better Adam is going to get at making axes and the better Oz is going to get at making spears.
translation.zh: 他们做得越熟练，这交换就越来越有意思。 因为做得越熟练，熟练工亚当更擅长做斧头， 熟练工奥兹更擅长做矛。