Industrial policy cannot pick winners, but it must be quick to shed losers.

产业政策不可能选出胜利者，但是它会很快淘汰失败者。

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Such systems typically consist of small fragments of data that must be quick and easy to use.

此类系统通常包含一些必须快速、易用的数据小段。

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Your information technology (IT) reflexes must be quick enough to transform elements of your design based on the information you retrieve.

您的信息技术(IT)反应能力必须足够快，以基于所检索到的信息转换您的设计元素。

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Mong Koo and the other new executives at Hyundai Motor must be quick-studies.

CNN: A NOVICE AT THE WHEEL

He must be quick: flies usually bite within 10 seconds of skin contact and despite their tiny size - less than a millimetre - they are ferocious.

BBC: Burkina Faso: Beating river blindness by fly-catching

Julie: Mummy, tell the police that they must be quick.

CNN: 'Mom, don't panic ... but there's a gunman going loose here'