translation.en: One way to think of it is that we're highly optimized for risk decisions that are endemic to living in small family groups in the East African highlands in 100,000 B.C.
translation.zh: 继续思考一下就知道 我们做出某些风险决策的能力 是高度优化了的 这些决策是以群居的小型家庭形式 生活在公元前十万年的东非高地的人们所独有 --