All things being equal, the more similar the more likely you'll find each other attractive.

如果其他因素相同，越相似,越容易相互吸引。

耶鲁公开课 - 心理学导论课程节选

These are the people, all things being equal, that you will find attractive. Okay?

如果其他因素相同，是决定吸引力的？

耶鲁公开课 - 心理学导论课程节选