Most avian influenza viruses do not infect humans; however some, such as H5N1, have caused serious infections in people.

绝大多数禽流感病毒不会感染人类；但H5N1等某些病毒却造成严重的人间感染。

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The average person consumes all the electrolytes they need through their daily diet, however some can be lost during excessive sweating.

一般人通过日常饮食摄入所需的电解质，然而一些电解质可能在过度出汗时丢失。

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Most Testers Do Not Make a Lot Of Money, However Some Do.

大多数测试员的收入并不高，但确实有一些测试员能赚很多钱。

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However,because Leonardo was born to parents who were not married to each other, he was barred from some studies and professions.

VOA: special.2010.09.15

Still, there's some very interesting circumstantial evidence for Semites engaged in building projects in the thirteenth century, however and whenever they might have gotten to Egypt.

可是还是有一些非常有趣的详细的证据,因为闪族投入建筑工程是在13世纪时，他们如何，在什么时候进入埃及。

耶鲁公开课 - 旧约导论课程节选

Morris Robinson, however, realized that some people are very talented salespeople and they're probably talented at other things as well.

但是莫里斯·罗宾逊,发现有些家伙在销售方面极具天赋,并且可能在其他领域同样具有天赋

耶鲁公开课 - 金融市场课程节选

However some European mobile operators claim that current levels of use are already crippling their networks.

BBC: Mobile broadband feels the strain

During the recent recession, however some younger members of the profession rediscovered old-fashioned Keynesianism.

FORBES: Keynes vs. Friedman at the Fed

However some analysts questioned whether the move will have the desired effect of boosting business confidence.

BBC: A chart of the dollar-yen exchange rate