This is how we address that purpose of education to give students an opportunity to apply in practice what they have learnt.

借此，我们确立了,教育的目标之一,即给学生机会,将所学知识用于实践。

麻省理工公开课 - 媒体、教育、市场课程节选

And in these experiments we not only need to learn what has been learnt, but also have to learn what it is that we don't know.

在这些试验里我们不仅,要知道已知的知识，还要知道,我们不知道的内容。

麻省理工公开课 - 媒体、教育、市场课程节选