To filter out what is unique from what is shared might enable us to understand how complex cultural behavior arose and what guides it in evolutionary or cognitive terms.
断句：
① To filter out what is unique from what is shared
② might enable us to understand
③ how complex cultural behavior arose
④ and what guides it in evolutionary or cognitive terms.
各部分结构：
① to do短语做主语：To filter out what is unique from what is shared
② 谓语enable sb to do 固定搭配：might enable us to understand
③ 宾语从句1: how complex cultural behavior arose
④ and+宾语从句2: what guides it in evolutionary or cognitive terms.
参考译文：从共性中筛选出特性，可能使我们理解复杂的文化行为是如何产生的，以及在进化和认知方面是什么在引导这一过程。
