XYZ I might as well do it as x, y, z because we are talking about something that is going in three space.

我最好设成,因为我们在讨论,三维的事物。

麻省理工公开课 - 固态化学导论课程节选

So the big three People who are similar to you, people who are already familiar to you, people who are nearby in space.

三大可变因素,相似性，熟悉度，空间接近性。

耶鲁公开课 - 心理学导论课程节选