Suitable for written or oral exam, it's a matter of personality.

适合笔试或口试，其实跟个性有关。

youdao

So, for instance, there's no evidence that oral and anal characteristics, the personality characteristics I talked about about being needy versus being stingy relate in any interesting way to weaning or toilet training.

比如，并没有证据表明,我们之前所讲到的，粘人的口腔期人格特征,和吝啬的肛门期人格特征,与断奶或是如厕训练之间,存在任何关系。

耶鲁公开课 - 心理学导论课程节选