翻译2世界见证了上海被评选为2010世博会的主办城市,这给一个现
世界见证了被评选为2010世博会的主办城市,这给一个现代大都市增添了华丽的一笔
the world witnessed Shanghai's being chosen as the host city of the World Expo of 2010, which contributes a dazzling stroke to the modern metroplis' image.