It brings back so many memories of my Dad and I just want to say thank you very,very much."

VOA: standard.2009.08.03

STUDENT: PROFESSOR: Yes, thank you. All right, it is constant. You keep sitting back there where I can't get to you. Thank you very much.

学生：【不解中】,教授：是的，是常数，如果，就是常数,你坐在那儿一动不动我没法找到你。

麻省理工公开课 - 计算机科学及编程导论课程节选