In order to achieve our Chinese Dream, we must study and work hard.

为了实现中国梦，我们必须努力学习和工作。

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I have learned from her that we must study hard in order to go to a good senior high school.

我从她那里学到我们必须努力学习以考上好的高中。

youdao

At last, I think we must study hard and never give up.

最后，我认为我们必须努力学习，永不放弃。

youdao

There are problem in that a horse must be treated when we study rigid bodies.

当我们学习刚体的时候,把马看做什么就是个问题了

耶鲁公开课 - 基础物理课程节选

To answer this question, we must look at the details of the study itself.

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' We must not allow the well-known benefits of university study to be available only to young and full-time students.

BBC: Education & Family

Part-time study is the only way many people can access higher education and we must support it.

BBC: Fall in UK university students