So this is an experiment of using an online distance product to enrich what was from a content standpoint that our students recapped.

因此，这个实验,用网上远程产品充实了,同学们反复阐述的,内容观点。

麻省理工公开课 - 媒体、教育、市场课程节选

Now another content experiment that we were doing was the knowledge update.

我们做的另一个关于,内容的实验是知识更新。

麻省理工公开课 - 媒体、教育、市场课程节选