They truly got into the spirit. And in the second party one of the students took the microphone and she got everyone to start singing Christmas songs, which to me helped bring up the whole spirit of why we were there."

VOA: standard.2009.12.24

It isn't just that I got a C; i got a C because she made me get a C, so that moral indignation takes us down to -3.

不仅我得了C,这还是她害我得C的,道义上的谴责又减去了3单位效用

耶鲁公开课 - 博弈论课程节选