Finally, if this was all there it might be a simpler world, but Freud had a third component, that of the superego.

最后，如果只存在自我和本我,那么事情会简单得多，但弗洛伊德又提出了第三种结构，超我。

耶鲁公开课 - 心理学导论课程节选

And these three parts are the id, the ego, and the superego and they emerge developmentally.

这三种结构分别是本我，自我，和超我,它们随着个体的发展而逐渐出现。

耶鲁公开课 - 心理学导论课程节选