This refers to random variables that have fat-tailed distributions-- random variables that occasionally give you really big outcomes.

这就表示,服从长尾分布的随机变量,这些数据出现极端值的概率比较大

耶鲁公开课 - 金融市场课程节选

- But the computer-- but a lot of data about all the students on campus were-- -- was collected--were collected and people were then randomly paired up and sent to the dance.

但是通过计算机-,校园所有学生的数据-,收集起来,然后同学随机配对,按照这种配对一起跳舞。

耶鲁公开课 - 心理学导论课程节选