You must take all reasonable precautions to protect yourself and your family.

你必须采取一切合理的预防措施，保护自己和家人。

《牛津词典》

The EPO shall take all reasonable steps to avoid the inclusion of such non-conforming data.

欧洲专利局应当采取一切合理的措施，避免包含上述不符合要求的数据。

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The Contractor shall at all time take all reasonable precautions to maintain the health and safety of the Contractor's Personnel.

承包商应始终采取合理的预防措施，维护承包商人员的健康和安全。

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Those professional obligations require all teachers to take reasonable efforts to protect their students and colleagues from harassment or discrimination and any oppressive or intimidating environments.

FORBES: How Much Of Our Personal Lives Should Be Under Employer Surveillance?

Getting a document delivered by courier, sending a fax, or simply gathering colleagues for a business meeting can all take far longer than seems reasonable.

ECONOMIST: Business travel

The definition of collection of personal information has been changed so that operators may allow children to participate in interactive communities without parental consent, so long as the operators take reasonable measures to delete all or virtually all children's personal information before it is made public.

ENGADGET: FTC introduces changes to Children's Online Privacy Protection Act, parental permission now required to collect information