A warrant or summons is required by law, except when there is ample reason to believe the suspect may flee, or in urgent circumstances.

法律要求(进行逮捕时)必须有传票，除非有显而易见的理由表明嫌疑人可能逃跑，或者处于紧急情况下。

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As a result, deflation in the circumstances, to choose the right budget policy is particularly important and urgent.

因此，在通货紧缩的情况下，选择合适的预算政策显得尤为重要和迫切。

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In such circumstances, to study the competitiveness of hotels' strong brands is very urgent and important.

在这种情况下，本文选取对饭店强势品牌竞争力的研究就显得紧迫且重要。

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In fact, our intelligence professionals, in urgent circumstances with the highest of stakes, obtained specific information, prevented specific attacks, and saved American lives.

CENTERFORSECURITYPOLICY: Center For Security Policy

The software giant pledged to fix the update but its efforts became more urgent when security firm EEye Digital Security discovered that the crash circumstances could be exploited to run malicious code on that machine.

BBC: Workers looking at computer screen, Eyewire

We were very excited more about the bottle than about the Pepsi, because it meant we could now relieve ourselves in urgent circumstances.

NPR: All Beings Are Interconnected