在个人层面上，锻炼可以改善我们的身心健康。

On the individual level, exercise can improve both our physical and mental health.

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为了改善我们的睡眠习惯，我们最好在白天多晒晒自然光。

To improve our sleeping habit, we'd better expose ourselves to more natural light in the day.

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有没有证据表明挫折实际上有可能改善我们的就业前景呢？

Is there any evidence that setbacks might actually improve our career prospects?

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so we try and make public school systems better for children in Providence.

所以，我们希望能改善公立学校的体系，让其更好地为普罗维登斯的孩子们服务。

丰富多彩的社团活动 - SpeakingMax英语口语达人

Not saying that the external circumstances are not important, we should focus also on improving them,bettering them, whether for ourselves,for society at large.

并不是说，外部环境不重要，我们同样应该注重改善外部环境，无论是我们自己，或对整个社会。

哈佛公开课 - 幸福课课程节选

Or are you going to say that that will only take us so far, and it's the conditions that are messed up, and we have to do something about the conditions to make it easier for people to make healthier choices?

还是认为上述做法见效甚微,问题关键在于混乱的饮食环境,我们应该先改善周遭环境,使得人们更容易作出更为健康的选择

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选