世博会会址占地2260公顷，将成为重环保、服务设施完善、旅游资源丰富的都市区域。
The Expo, with an area of 2, 260 hectares, will produce an environmental-friendly urban district with flourishing service and tourism industries.
水资源的争夺可能让一些美国大都市的居民难以承受。
The competition for water could make life in some of America's largest cities nearly unbearable for residents.
鉴于这座城市有限的土地资源，修建高层建筑本属必要，但那些拔地而起的摩天大厦却也把有钱人和他们脚下大都市里的芸芸众生隔得更远了。
High-rises are considered necessary, given the city’s limited land, yet the rising towers have further insulated the rich from the teemingmetropolis below.
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