They're not bad, bad, they're not nightmares, but most dreams are from a scale of one to ten with five and a half in the middle they're on the negative side.

说它们不好，并不是说它们是噩梦，如果用1到10来评分,5。5为中间分值,大部份梦都是在5。5分以下。

耶鲁公开课 - 心理学导论课程节选