The best way to prevent a pandemic would be to eliminate the virus from birds, but it has become increasingly doubtful if this can be achieved within the near future.
防止大流行的最佳途径是消除禽鸟病毒，但这一点能否在近期做到，越来越值得怀疑。
For all the euro's faults, it is doubtful whether Icelanders would be keen to hold and use kronur if they were not forced to by capital controls.
除了欧元自身缺点，如果冰岛人没有受到资本管制的强迫，他们是否还会热衷于持有并使用克朗呢？人们对此疑虑重重。
If they can't compare it to anything, it's doubtful that they will be able to see how your offering could work.
如果他们不能将你的产品和其他产品做任何比较，他们就很难明白你所提供的服务能逃起到什么样的作用。
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