All he's literally doing is just asking questions and answering them.

他所做的只是问问题并回答。

And then there's the person receiving the questions and answering them.

然后就是听问题回答问题的人。

Whether you are studying math, physics, English, or any other subject, asking yourself questions and answering them in your own words can help you deepen your understanding and retain information more effectively.

无论您是学习数学、物理、英语还是任何其他学科，问自己问题并用自己的话回答都可以帮助您加深理解并更有效地保留信息。

But it was only two months before the exam, in the Easter term, that he discovered this, this magic of active recall and spent the rest of the two months making these questions and answering them.

但是就在复活节学期考试前两个月，他发现了主动回忆的魔力，并在剩下的两个月里提出这些问题并回答它们。