Point of absolute rest in a vibrating string we call a node.

一条绳子上绝对震动静止的点,我们称之为节点。

麻省理工公开课 - 固态化学导论课程节选

What is useful is point to somebody and say, "You in the green sweater, call the police," and the psychological evidence is if you--if somebody's-- if I am wearing the green sweater and somebody asks me to call the police I will call the police. I'm a good guy.

有用的办法是，指着某个人说，“穿绿色毛衣那个人，快报警”,心理学证明如果你…,如果我穿着绿色毛衣,有人叫我报警,我会报警，我是好人。

耶鲁公开课 - 心理学导论课程节选