棉花大王在新英格兰种出了棉花城，煤炭大亨横贯阿巴拉契亚挖出了煤城。
Cotton Kings planted them in New England. Coal barons scattered them across Appalachia.
棉花大王和煤炭大亨不得不建城镇，因为他们的重要资源（水和煤）都在偏僻的地方。
The cotton kings and coal barons had to build towns because their vital resources—water and coal—were in out-of-the-way places.
棉花大王和煤炭大亨不得不建城镇，因为他们的重要资源（水和煤）都在偏僻的地方。
The cotton kings and coal barons had to build towns because their vital resources—water and coal—were in out-of-the-way places.
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