以前的研究人员难以在考试成绩和学习时间之间建立一种因果关系。

Previous researchers have struggled to establish a causal link between exam results and time spent studying.

youdao

一项针对在校学生的调查显示，经常使用社交网站的人在网络空间中的社交活动比较活跃，但是在考试成绩方面却比较逊色。

The majority of students who use Facebook every day are underachieving by as much as an entire grade compared with those who shun the site.

youdao

我上这门课是为了增强我在公开演讲方面的信心，而不是为了提高考试成绩。

It was to build my confidence for public speaking that I took the course, not to improve performance in examinations.

youdao

They do extremely well on the first test and conclude that chemistry is in the bank and they can focus on the other subjects.

它们在首次考试中取得了好成绩,总的来说化学是根基,他们可以在其他事情上投入精力。

麻省理工公开课 - 固态化学导论课程节选

I think at Yale, you know, you might not have the highest test scores or the highest grades,

我觉得在耶鲁，你不一定要有最高的考试分数或者最高的成绩，

成绩不是全部 - SpeakingMax英语口语达人

And if you get good grades in your GCSEs,

如果在毕业考试中，你的成绩很好，

英国的高考 - SpeakingMax英语口语达人