And because that was such a thriving business, involving very large-scale movements right across the globe, the new data, in turn, help historians establish which trade routes were in operation during the whole millennium.
由于这是一门如此繁荣
贸易,涉及全球各地
大规模交易,因此,新数据反过来又帮助历史学家确定了整个千年间哪些贸易路线在运行。