在北美洲，最有潜力的城市是美国北卡罗来纳州的罗利-达勒姆、德克萨斯州的奥斯汀、盐湖城以及加拿大的卡尔加里。
In North America the best urban prospects - Raleigh-Durham, N.C.; Austin, Texas; Salt Lake City; and Calgary, Canada.
健康：抗药性强，且极易传播的结核病在墨西哥城的儿童中出现，随即扩散至德克萨斯、危地马拉和巴西。
Health: Omni-drug-resistant, contagious tuberculosis infects children in Mexico City, spreads to Texas, Guatemala, Brazil.
一张铁丝栅栏就隔开了德克萨斯州西端的埃尔帕索市和墨西哥北部边境的华雷斯城，然而它却从来没有阻断过边境两岸的商业流通。
STEEL fence is all that separates El Paso, in west Texas, from Ciudad juarez, in northern Mexico, and it has never stopped business flowing across the border.
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