文化进化的研究必须考虑社会的内部动态和外部环境约束。
Behavior, as such, is not to be regarded as a mere chain of muscular contractions, but rather as a purposive and cognitive affair.
Our modern skulls house a Stone Age mind.
海洋保护区就像是鱼类种群的储蓄账户。
Most people are other people. Their thoughts are someone else's opinions, their lives a mimicry, their passions a quotation.