换句话讲，一年提高8%，十年翻一番。

But an improvement of about 8% a year into the foreseeable future is on the CARDS. A doubling in a decade, in other words.

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指望依靠在线工作作为首要或唯一的收入来源的人数将在2011年翻一番。

The number of people looking to online work as the primary or sole source of their income will double over 2011.

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虽然这种疾病和其他形式的痴呆症的症状很少出现在中年，65岁的人群中得病率每五年翻一番。

Although the symptoms of this disease and other forms of dementia seldom appear before middle age, the likelihood of their appearance doubles every five years after age 65.

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