学生人数占到了非欧洲移民总数的一半以上。有人一方面担心他们上的那些狡猾的高校，一方面担心他们依然可以天衣无缝地找到工作并最终定居下来。
They account for well over half of the non-European total, and there are worries about both the dodgy colleges some attend and their seamless segue into the workforce and eventual settlement.
去年，成千上万的工厂倒闭，可能占到了这一地区工厂总数的三分之一乃至一半。
In the past year thousands of factories, perhaps one-third to one-half of the total, have closed.
在与俄罗斯收入水平相当的大多数国家里，中产阶级的比重占到了人口总数的一半或一半以上。
In most countries with Russia's income levels the middle class accounts for half the population or more.
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