But after taking the course, he now knows how to quickly find the right answers by marking the key words.

但是，上了课之后，他学会了如何通过标注关键词快速找到答案。

youdao

But after taking the course, he now knows how to quickly find the right answers by marking the key words.

但是，上了课之后，他学会了如何通过标注关键词快速找到答案。

youdao