A sound system of law enforcement is necessary because poorly enforced laws cause crime and violence.

我们有必要创造一个健全的执法体系，因为执行不力的法律会带来犯罪和暴力。

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Unit-owned exchequer disassociates from financial management system, disturbing normal financial order and becomes one of major sources to cause crime and corruption.

“小金库”游离子财务管理制度之外，扰乱了正常的财经秩序，是诱发犯罪和滋生腐败的重要根源之一。

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They refuse to do anything about the real cause of crime: poverty.

他们拒绝采取任何行动解决引发犯罪的真正原因：贫困。

《柯林斯英汉双解大词典》

In turn, that would make those communities vulnerable to scoundrels and predators and cause more crime.

CNN: Commentary: Don't confuse immigrant victims with villains

All she needs in order to indict is probable cause that a crime has been committed.

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But a big cause of the crime drop seems to be that the police were able to draw on a hitherto overlooked pool of local wisdom.

ECONOMIST: Policing