We also have active visualizations because there's a lot of research showing that if you're actively engaged in something that solidifies the learning objectives we're taking home.

我们同时也有主动性直观化,因为很多研究结果表明,如果你积极地参与,到一些使学习目标具体化,的活动中去的话,便能真正理解它。

麻省理工公开课 - 媒体、教育、市场课程节选

And we have people who are AIDS activists and so forth. And we're having a dinner tonight.

我们有一些关注艾滋病的积极分子等等，今晚我们要一起吃晚餐。

去学校聚会的路上 - SpeakingMax英语口语达人

But some of our students come as far away as South Korea and New Zealand every month to be part of the positive psychology classes.

但我们的一些学生,每月从南韩和新西兰赶来,参加积极心理学课程。

哈佛公开课 - 幸福课课程节选