美国货运协会(American Trucking Associations)的首席经济学家鲍勃·科斯特洛(bobCostello)说，2009年，卡车司机的货运量下降了15%，跌至1.7亿车，这是现代历史上的最大跌幅。
Loads of goods delivered by truckers fell 15% in 2009, to 170 million loads, the largest drop in modern history, said Bob Costello, chief economist for the American Trucking Associations.
美国货运协会(American Trucking Associations)的首席经济学家鲍勃·科斯特洛(bobCostello)说，2009年，卡车司机的货运量下降了15%，跌至1.7亿车，这是现代历史上的最大跌幅。
Loads of goods delivered by truckers fell 15% in 2009, to 170 million loads, the largest drop in modern history, said Bob Costello, chief economist for the American Trucking Associations.
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