For cities like Pittsburgh and many others in the United States, population growth is actually unlikely. espiegle/iStock via Getty Images PlusFew city planning concepts are as sacrosanct as the idea that growth is good and decline is bad.
对于匹兹堡以及美国许多其他城市而言，人口增长实际上并不可期。espiegle/iStock via Getty Images Plus 很少有城市规划理念像“增长是好的，衰退是坏的”这样被视为神圣不可侵犯。
For cities and counties, population growth is universally seen as a metric that defines success. Even stable population trends can be cast as stagnation to be avoided at all costs.
对于城市和县来说，人口增长普遍被视为衡量成功的指标。即便是稳定的人口趋势，也可能被描绘成必须不惜一切代价避免的停滞。
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