He seems to have been doing nothing but reading, acquiring more knowledge and really essentially just learning for the sake of learning.

他好像除了读书，掌握更多的知识以及,单纯学习之外什么也不做。

耶鲁公开课 - 弥尔顿课程节选

They really don't.So, if everybody masters the material A I can say A's on the house.

他们真的不知道，如果每个人都掌握了知识,那么我敢说，人人可得。

麻省理工公开课 - 固态化学导论课程节选

So for each student the tutor builds a model of that Student's current state what the computer thinks they Know and doesn't know, and tries to present the student options that best meet what the tutor thinks are the student's need at that moment.

因此辅导系统会给每个学生,创建一个模型记录他们当前的学习状态,判断他们已经掌握和还不了解的知识,然后给出此时导师认为,最符合他们需要的选择。

麻省理工公开课 - 媒体、教育、市场课程节选