国民生产总值是半个世纪前制定的，帮助各国建立了衡量经济产出变化的统一方式。

Developed a half-century ago, GNP helped establish a common way among countries of measuring the change in economic output.

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北京研究公司龙州经讯(Dragonomics)预计，2008年中国建造了9,000万平方米的新建空置房，相当于大约82万套住房。

According to Dragonomics, a Beijing-based research firm, 90 million square meters of new, vacant residential property were built in 2008, equivalent to about 820, 000 units.

youdao

北京研究公司龙州经讯(Dragonomics)预计，2008年中国建造了9,000万平方米的新建空置房，相当于大约82万套住房。

According to Dragonomics, a Beijing-based research firm, 90 million square meters of new, vacant residential property were built in 2008, equivalent to about 820,000 units.

youdao