On the subject of cigarette smoking to prevent Parkinson's disease, it is like being caught between the devil and the deep blue sea.

在吸烟预防帕金森病这个问题上，人们面临两难抉择。

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The impact of various supply shocks, notably blue-ear disease which killed thousands of pigs, were aggravated last month by the worst snowstorms for 50 years, damaging crops and disrupting transport.

供给冲击造成的影响（譬如去年的蓝耳病造成生猪大面积死亡）在今冬五十年不遇的暴雪中显得更加明显，这场灾难不仅致使交通瘫痪，还造成粮食作物毁灭性的损失。

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But it suffered nothing like the blue-ear disease that took such a toll on the country's pigs in 2007-08.

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Now the concentrated effort against the disease is inside the extended blue restriction zone - some 500 square miles of the North East - where vets, slaughtermen and soldiers operate the most stringent bio-security regime around a sweeping slaughter and culling campaign.

BBC: Disease 'stranglehold' on farmers