So, if your dog gives you-- if your dog, I don't know, dances for an hour straight, that would be an interval thing.

如果你的狗-,每当你的狗连续跳舞一小时，你才会奖励它，那这就是时间强化。

耶鲁公开课 - 心理学导论课程节选

So in this 40-minute interval we've gone sort of through an emotional musical journey here from despair, despondency, uncertainty, to whatever- to personal triumph, and in a way that mirrors some of the things that were going on in Beethoven's life.

在这四十分钟的乐曲里,我们走完了一趟情感丰富的音乐旅程,从消沉沮丧,到半信半疑,再到个人胜利,其实在某种意义上也反映了事实,贝多芬的人生,也将经历相似的历程

耶鲁公开课 - 聆听音乐课程节选

It's not forever because it terminates after 2T periods of six-month interval each.

债券不是永续的,券息每六个月为一期,共支付2T期

耶鲁公开课 - 金融市场课程节选