These experiments serve no useful purpose.
这些实验没有任何实际意义。
Society would benefit from the ban on all forms of advertising because it may serve no useful purpose, and can even be damaging.
社会将受益于所有形式的广告禁令，因为它(广告)可能没有有用的目的，甚至可能具有破坏性。
Some people believe that ads should be banned since they serve no useful purpose and can even be damaging. To what extent do you agree or disagree?
有人认为广告应该被废除，因为广告没有用，是有害的，是否同意这个观点？
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InstitutNecker的教授菲利普(PhilippeEven)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InstitutNecker的教授菲利普(PhilippeEven)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InstitutNecker的教授菲利普(PhilippeEven)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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