"We get notices from speech pathologists, from computational engineers who do speech processing, from PhD students who want to do research on bias and accent judgments, from actors who need to learn a special part."

VOA: special.2011.08.04

And they were trying to learn about the research about positive psychology.

他们想学习积极心理学。

哈佛公开课 - 幸福课课程节选

And they were trying to learn about the research about positive psychology.

他们想学习积极心理学。

哈佛公开课 - 幸福课课程节选