But for those of you who raised your hand just tell me I mean why do you think--what makes you believe food can be addictive?

但那些举手的同学,请你们告诉我,你为什么觉得食物会上瘾呢

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Can you tell me why I'm sure the Earth has an acceleration?

你能告诉我为什么我确信地球有加速度吗

耶鲁公开课 - 基础物理课程节选