This phased approach means that the cost-to-benefit ratio isn't rosy either, and unless the head team can deploy aggressively and successfully, the project is at risk of being shut down.

分阶段方案意味着效益成本比也并不乐观，除非主管团队能积极推广并获得成功，否则项目也存在着关张的风险。

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Peters et al suggest that the procedure should be reserved only for research protocols with rigorous analysis of the risk-benefit ratio.

Peters等人建议，此手术应限制在研究框架内，需严格分析其风险-效益比。

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There are too many known risks associated with this class of medications, and we would need a lot more research to figure out the risk-benefit ratio.

“有太多的已知风险与此类药物相关，我们将需要进一步的研究，以指出的风险-效益比”。

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Like it or not, government is the only institution powerful enough to realign the risk-benefit ratio so that the people's interests are at least borne in mind.

ECONOMIST: Letters

Dr Anne MacGregor, who runs the menopause clinic at St Bartholomew's Hospital in London, feels women are not being given the option of weighing up the risk-benefit ratio themselves.

BBC: NEWS | Health | Health scares take their toll on HRT