Take reasonable steps to keep the security device safe to prevent fraud.

采取合理措施来保持安全设备的安全，防止欺诈行为。

youdao

Seven, to prevent fraud, to prevent acts of unfair competition to sincere hospitality, good faith operation.

杜绝欺诈行为，杜绝不正当竞争行为，以诚待客，诚信经营。

youdao

It includes passing appropriate laws and policies, as well as developing capabilities and institutions to prevent fraud and fight threats.

它包括通过是适当的法律和政策，同时提高识别骗局与打击威胁的能力。

youdao

But he also admitted he will not be able to prevent all fraud in the second round.

VOA: standard.2009.10.23

(Speaking) The prime minister noted the presence of election monitors to help prevent any fraud.

VOA: standard.2010.03.07

He said the commission plans to keep all polling stations open, and would do its best to prevent fraud.

CNN: Afghan election official opposes presidential coalition

The technique could be used to prevent fraud as well as provide a new meaning to the term 'paper trail'.

BBC: US engineers develop smart RFID-enabled paper

All pretty harmless, if the main purpose is to prevent fraud.

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