That idea is just one of many to get the nation's Rust Belt out of its long slow industrial decline.

这个想法只是很多想使本国的铁锈地带走出长期工业减退状态的方法之一。

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As the population aged, there was also a shift from the cold Rust Belt to the comforts of the Sun Belt.

随着人口的老龄化，人们也从寒冷的铁锈地带（指美国传统工业衰退的地区）转向舒适的阳光地带（指美国南部）。

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As the population aged, there was also a shift from the cold Rust Belt to the comforts of the Sun Belt.

随着人口的老龄化，人们也从寒冷的铁锈地带（指美国传统工业衰退的地区）转向舒适的阳光地带（指美国南部）。

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