And so, Freud's theory is, as I said before, a theory of everyday life, of decisions, of errors, of falling in love, but it's also a theory of child development.

所以，正如之前所说，弗洛伊德的理论不仅解释了日常生活，决策，失误以及恋爱等现象，还解释了儿童的发展。

耶鲁公开课 - 心理学导论课程节选

you may love the theory of medicine,

你也许喜欢医学理论，

未来的医生 - SpeakingMax英语口语达人