'We must find him,' she said urgently.

“我们必须找到他。”她急切地说。

《牛津词典》

You must find a job.

你必须找到一份工作。

《牛津词典》

The female must find a warm place to hatch her eggs.

母的必须找个温暖的地方孵蛋。

《牛津词典》

Jurors must find a defendant not guilty even if they are not completely sure the person is innocent of any crime.

VOA: special.2009.08.31

That is to say, if something causes literature, there must be some sort of authority behind it and therefore we find ourselves asking, "What is an author?"

即是说，如果文学有缘由的，它的背后一定存在作者,所以我们会问，“作者是谁？“

耶鲁公开课 - 文学理论导论课程节选

I will find out now--you must tell me, dear."

我现在就去找，告诉我吧，亲爱的，“

耶鲁公开课 - 现代诗歌课程节选

We must find creative ways to promote civic responsibility and make it easier to do so.

FORBES: Boston: Turns Out Civic Responsibility Isn't (Completely) Dead After All

The world's biggest brands, however, must find promising new ways to pitch their products.

FORBES: Magazine Article

But Surrey County Council said it was expensive and it must find significant savings.

BBC: Surrey parents' fears over Tadworth respite unit