Companies must be able to survive in the marketplace.

公司必须有能力在市场竞争中生存下去。

《牛津词典》

You must be able to demonstrate that you deserve a raise.

你一定有能力证明你值得加薪。

youdao

Adults must be able to manage their time on their own and to make their own decisions.

成年人必须能够管理好自己的时间、自己做决定。

youdao

Now,for this business to work, we must be able to produce a charming widow, with or without the beauty, as advertised."

VOA: special.2010.04.24

The citizen of the best regime he says must be able to sustain war if duty requires but only for the sake of peace and leisure.

最佳政体的公民，据他所说,如果有义务上的需要，必需要能承担战争,但目的必需仅限于为了和平与安逸。

耶鲁公开课 - 政治哲学导论课程节选

And in such situations where the very survival of the community may be at stake we might call these emergency situations the conscientious statesmen must be able to respond appropriately.

而在这种情势下,社群的存活可能面临考验,我们可以称这些为紧急情势,谨慎的，政治家,必需能适时地回应。

耶鲁公开课 - 政治哲学导论课程节选

When people vote, they must be able to trust that their decisions will not be subverted.

UN: Secretary-General

The United States must be able to make that call on its own, if need be.

CENTERFORSECURITYPOLICY: Center for Security Policy | President Bush Wants to Liberate Iraq, But the UN Security Council Does Not

People must be able to get the help they need when they need it the most.

BBC: Fall in paracetamol deaths 'linked to pack limits'