So there's a lot of power in this, both engagement and both allowing students to get conceptual understandings of things that are very hard to understand and they're abstract.

所以这是很强大的，不论是参与性,还是使学生能更好,理解那些,很难的概念,很抽象的概念。

麻省理工公开课 - 媒体、教育、市场课程节选