为了工作好，我们必须健康。

To work well, we must be healthy.

youdao

社交媒体当然可以用来逃避日常琐事，但我们必须警惕其对人整体心理健康的负面影响，比如上瘾。

Social media can certainly be an escape from the daily grind, but we must be cautioned against the negative effects, such as addiction, on a person's overall psychological well-being.

youdao

我们必须关心我们的环境和我们自己的健康。

We must care for our environment and our own health.

youdao

And some of this important to your health and well being-- certainly to health and well being of populations, so we need to know these.

有的知识对于你的健康和生活,对于人们的健康和生活当然非常重要,所以我们必须了解

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选