Some specialist cities could also do well in this world. But, as Detroit, with its long dependence on the automotive industry, demonstrates, cities that are dependent on a single industry or on a temporary location advantage may fare extremely poorly.
某些专业性城市可以在这个世界上取得成功。但类似底特律这种长期依赖于汽车工业的城市所显示的那样，那些只有单一工业或只有临时地理优势的城市可能下场堪忧。