据房地产网站Zillow.com的资料，截止第二季度末，有贷款的单一家庭房屋约有23%成了“负资产”，即未还完的房屋贷款超过房屋价值。

At the end of the second quarter, about 23% of single-family homes with mortgages were 'underwater, ' with owners owing more on their homes than they are worth, according to Zillow.com.

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市场调查公司Gartner的资料显示，在今年第一季度，iPhone已经占到全世界智能手机市场份额的10%。

It had about 10 per cent share of the worldwide smartphone market in the first quarter of this year, according to the research company Gartner.

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这就必须对各个病人资料以及有关治疗结果的资料实行标准化记录，然后将有共同点的一类病人的治疗结果按季度汇编成册。

This requires standardized recording of individual patient data, including information on treatment outcomes, which are then used to compile quarterly treatment outcomes in cohorts of patients.

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