What the open space of city meant inbounds by the city is not the building site space, the subject is a green land system.
城市开敞空间是指城市边界内的非建筑用地空间，主体是绿地系统。
We can not deny the fact the Beijing, at the moment, is not as green a city as what we like it to be.
我们不能否认这个事实：北京目前并非一个让我们满意的绿色城市。
Therefore, we have to take a zealous approach to broadcasting what the World Expo envisions as a beautiful life in the city, that is a green, low-carbon, harmonious and equitable life.
因此，我们必须大张旗鼓的宣扬世博会关于美好的城市生活的目标，那就是低碳、绿色、和谐，公平。
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