例如，研究者们不知道为什么左撇子一直稳定地占10%的比例。

For instance, researchers don't know why the prevalence of lefties has remained consistently at 10% over time.

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对他们来说，德国消费者现在比4年前更多地选择本地生产的红酒——2006年红酒进口占整个市场的27%，而2002年这个比例是17%。

For their part, German consumers are choosing more locally made reds than they did four years ago-27% of their red wine intake in 2006, up from 17% in 2002.

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更重要的一点，政策制定者不断地为希腊(占欧元区GDP的2.5%)提供经济援助，正是因为担心希腊退出欧元区而导致更广泛的分崩离析。

More to the point, policymakers who have repeatedly bailed out Greece (2.5% of euro-zone GDP) for fear of the consequences of default will surely be petrified of the impact of a wider break-up.

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