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。
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。
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。
However, some birds thrive in noisy environments.
然而，有些鸟会在嘈杂的环境中茁壮成长。
However some metals such as aluminum or magnesium have low densities and are used in applications that require other metallic properties but also require low weight.
然而，诸如铝和镁之类的一些金属则具有低密度，并被用于既需要金属特性又要求重量轻的场合。
However, some habits are proven to protect your brain well into the future.
但事实证明，有些习惯可以在以后很好地保护你的大脑。
However, some couples said their relationships were stronger post-birth.
不过，有些夫妻说他们的关系在孩子出生之后反而更加坚固。
However, some species can take special steps, either by changing their behaviour or physiology to grow older than they might otherwise.
不过，有些物种可以通过特殊的途径—改变行为模式或生理过程，使自己的寿命突破体形的约束。
However, some scientists think although we can make robots move like people, it will be difficult to make them really think like a human.
然而，一些科学家认为，虽然我们可以让机器人像人一样行动，但却很难让它们真正地像人一样思考。
However, some people regard their pets as children.
有些人会认为他们的宠物是子女。
However, some physicists believe that we don't know enough about the galactic core - or dark matter - to come to this conclusion.
然而，一些物理学家认为我们对银河核心，或者说，暗物质的认识并不全面，所以还不足以得出这个结论。
However, some analysts say the biggest worry in the US should be whether it will slide into a "double-dip" recession.
然而，一些分析人士指出，最应当担心的是——美国是否会陷入一个“双底”衰退。
However, some animals have body temperatures that are naturally lower and therefore do not need to use as much energy to stay warm.
然而有些动物的体温天生较低，因此并不需要消耗这么多的能量来保持体温。
However, some animals eat meat.
然而，有些动物吃肉。
However, some people believe there will be problems with traffic control.
然而，有些人认为交通控制会出现一些问题。
However, some nutritionists advise against switching to a totally strict vegetarian diet.
然而，一些营养学家建议不要养成完全素食的饮食习惯。
However, some nutritionists advise against switching to a totally strict vegetarian, or vegan diet.
然而，一些营养学家建议不要改用完全严格的素食或纯素饮食。
However, some diamonds contain minute inclusions of silicate minerals, commonly olivine, pyroxene, and garnet.
然而，有些钻石含有硅酸盐矿物的微小包裹体，通常是橄榄石、辉石和石榴石。
However, some people think that a future of 3D printed food would be a disaster.
然而，一些人认为3D打印食物的未来将是一场灾难。
However, some students thought the prices of the school postcards were a little too high.
然而，一些学生认为学校明信片的价格有点太高了。
However, some people seem to have everything going well but they still do not seem to be happy.
然而，有些人看上去一切顺利，但他们似乎仍然不快乐。
Some people would like to change things, however! Some organizations and writers say that Britain needs to become more natural again.
然而，有些人想要改变一些事情！一些机构和作家说，英国需要重新变得更加自然。
However, some remnants might still persist.
不过有些痕迹仍会存在。
However, some knowledge of kernel programming is required.
不过，还是需要一些内核编程的知识。
However, some specific situations may require more.
然而，一些特殊的情形需要的更多。
However, some have questioned the methods used to achieve them.
然而，有些人对实现这些目标的方法提出了质疑。
However, some have questioned the methods used to achieve them.
然而，有些人对实现这些目标的方法提出了质疑。
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