根据真正的临床获益和风险效益比，为恰当的患者选择恰当的设备。
Selecting the right device for the right patient, with regards to the real clinical benefit and cost-effectiveness ratio.
由严格评价得出的治疗建议不能仅仅基于证据的等级，还应考虑风险效益比和费用问题。
Treatment recommendations evolving from critical appraisal are not only based on levels of evidence, but the risk benefit ratio and cost.
环境科学家佩·德雷塞尔认为，用未经处理的人类粪便来种植粮食，这种做法的社会和经济效益超过了健康风险。
Pay Drechsel, an environmental scientist, argues that the social and economic benefits of using untreated human waste to grow food outweigh the health risks.
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