用单一的临界值来决定不同类商品在国际贸易中运输模式的选择缺乏实践的支持。
The traditional method, in which a single threshold value(unit price) has been used to determine the transportation mode of corresponding cargo, lacks necessary support from practice.
用单一的临界值来决定不同类商品在国际贸易中运输模式的选择缺乏实践的支持。
The traditional method, in which a single threshold value(unit price) has been used to determine the transportation mode of corresponding cargo, lacks necessary support from practice.
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