According to Freud, the-- it's not a fixation in the stage, in the same sense as an oral or anal stage, but yes.

根据弗洛伊德的理论-,这并不是发生在某个阶段的固着，像是发生在口腔期和肛门期阶段那样，不过，你是对的。

耶鲁公开课 - 心理学导论课程节选

Things started to change probably on the first day of class, but not entirely-- because there's shopping period and it's such a wonderful thing-- you shop for classes.

事情也许从开课第一天就发生变化，但没有完全不同-,因为这是购物期，妙不可言的阶段-,你们选择课程。

哈佛公开课 - 幸福课课程节选