Dr.Sotsky says some moderately depressed patients could still benefit from antidepressants, but his study showed that many others could do just as well with exercise,talk therapy, support groups or self help.

VOA: standard.2010.01.08

Well, as an exercise in game theory, that really wasn't very hard.

作为博弈论的一个练习,这个确实不难

耶鲁公开课 - 博弈论课程节选