Since it is a kind of equipment, it must work well.

既然它是一种设备，那它就必须运转良好。

youdao

Build a working application in this way. It doesn't have to be pretty or offer the greatest user experience ever known, but it must work.

用这种方法构建一个工作应用程序，它不必拥有漂亮的外观，或者提供最好的用户体验，但它必须能够工作。

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"You would, child," said Aslan. "for the fruit always works - it must work - but it does not work happily for any who pluck it at their own will."

“你会的，孩子，”阿斯兰说，“因为苹果总是要起作用的——必须起作用——但不会对那些为了自己的私欲而摘它的人有好结果。”

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Deputy-President Motlanthe said to adequately commemorate the victims of the anti-apartheid struggle, government must work harder to improve the lives of those who have not benefited from it.

VOA: standard.2010.03.21

But it's a good story, Joule decided that there must be a direct relationship between work and heat.

所以说，这只是一个不错的故事而已，焦耳认为功和热之间,一定具有某种直接的联系。

麻省理工公开课 - 热力学与动力学课程节选

It must not be easy to write your own work.

你自己创作一定很难。

写作课程比较难 - SpeakingMax英语口语达人

So, if evolution is to produce change, it must work more by the accretion of new components than by the continuous re-engineering of existing ones.

ECONOMIST: The first complete DNA sequence of an animal is now in the bag

It must work hard to safeguard their humanity and their dignity.

BBC: Fawzia

The trouble is that evolution has to make compromises, since it must work with the materials at hand, often while trying to solve several challenges at once.

NEWYORKER: It Ain��t Necessarily So