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

In this mode either the students can self-study, Work on their own, or often Prof. Perdue will use These materials in the classroom and use them to Launch a larger discussion about what the students understand from these materials.

在这种模式下，学生可以自学，或者Peter，Perdue教授也经常拿这些,当作课堂讨论的材料,激发大家的讨论,看学生从中学到了什么。

麻省理工公开课 - 媒体、教育、市场课程节选