在大桥建成之前，要穿过旧金山湾的唯一方法就是坐渡轮。
Until the bridge was built, the only way to cross the San Francisco Bay was by ferry.
最终DFC将建成面积800平方公里的制造和商业公司。
Eventually the DFC would mark an 800-kilometer belt of manufacturing and commercial enterprise.
正在建设中的国家博物馆改扩建工程计划2010年竣工，建成后总建筑面积将达到19.19万平方米，居世界第一。
The National Museum of China whose expansion project is to be finished in 2010 will cover a floor space of 191,900 square meters, ranking the first in the world.
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