So when you look, for example, at metropolitan areas such as the Boston area, Minneapolis-St. Paul, Silicon Valley, these areas are not doing well economically because they're low-cost.
所以当你看一些都市地区 比如波士顿，明尼阿波利斯 - 圣保罗 硅谷，这些地区经济发展良好 并不是因为它们成本很低