[ be usefull effective ] [方] 顶事 能解决问题(多用于否定式) [ be useful serve the purpose ] 顶用 能解决问题 [ to be exposed the cat is out of the bag ] 源出明朝田汝成《西湖游览志余》:秦桧与妻子东窗下密谋杀害岳飞。
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Survey or original research results can serve the same purpose, if they turn out to be useful for the target audience.
如果调查和研究结果对目标访问者有用，那么它们也能起到同样的作用。
Professor Philippe Even of the Institut Necker, a research body, reckons that, of 5,000 or so drugs available in France, "nearly half serve no useful purpose", and many of those may be harmful.
研究机构Institut Necker的教授菲利普(Philippe Even)估计，在法国5000多种可以买到的药品中，“将近一半都没有治疗作用”；其中一些还对身体有害。
Professor Philippe Even of the Institut Necker, a research body, reckons that, of 5, 000 or so drugs available in France, "nearly half serve no useful purpose", and many of those may be harmful.
研究机构Institut Necker的教授菲利普(Philippe Even)估计，在法国5000多种可以买到的药品中，“将近一半都没有治疗作用”；其中一些还对身体有害。
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