The notion of conservation is that there's ways to transform things such that some aspects of them change but others remain the same.

守恒是指物体某方面的特征,不会因为其他方面特征的改变,而有所改变

耶鲁公开课 - 心理学导论课程节选

called Reality Transform It's a book very largely in aesthetics of film.

它叫《现实转换》,这本书谈的基本都是电影美学。

麻省理工公开课 - 电影哲学课程节选