Some flights are less than 100 miles, and they're the backbone of the U.S. air system, linking small towns and big cities. But short routes were in decline even before jet fuel costs spiked.
(Image credit: Charles Krupa)
短途航班很受欢迎。他们会持续下去吗？
有些航班的飞行距离不到 100 英里，它们是美国航空系统的支柱，连接小城镇和大城市。但甚至在航空燃油成本飙升之前，短途航线就已经开始下降。
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来源: NPR News
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