But for the young who make up most of the population, learning this history has been hard to do - schools have up to now just not taught it.

VOA: standard.2010.04.19

It's a problem set where we've worked pretty hard to write some problems that we think will provide you with a good learning experience.

我们为了写出这个问题集,让大家好好学习下课没少侠功夫,你们应该通过材料来学习学习它。

麻省理工公开课 - 计算机科学及编程导论课程节选

It's a problem set where we've worked pretty hard to write some problems that we think will provide you with a good learning experience.

我们为了写出这个问题集,让大家好好学习下课没少侠功夫,你们应该通过材料来学习学习它。

麻省理工公开课 - 计算机科学及编程导论课程节选