名词
中文翻译：货运指数
同义词：
['cargo index', 'freight volumeindex']
例句：
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1. The freight index has been steadily increasing since thebeginning of the year.
自年初以来，货运指数一直在稳步上升。
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2. Thisreport provides an analysis ofthe freight index for thepast quarter.
这份报告分析了过去一季度的货运指数。
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3. The freight index isa crucial indicator for understanding the transportation market's performance.
货运指数是了解运输市场表现的关键指标。