translation.en: And Freud in part reflects the anatomy of the human emotion system -- which is that we have both a positive and a negative system, and our negative system is extremely sensitive.
translation.zh: （众人笑） 弗洛伊德部分反映了 人类情绪系统的剖析 我们有一个积极的和一个消极的系统 而我们消极的系统 非常敏感