在海上进行商业扩张所消耗的投资规模之大，反映了这种东西向贸易所能创造的巨大利润。
The sheer scale of the investment it took to begin commercial expansion at sea reflects the immensity of the profits that such East-West trade could create.
在海上进行商业扩张所消耗的投资规模之大，反映了这种东西向贸易所能创造的巨大利润。
The sheer scale of the investment it took to begin commercial expansion at sea reflects the immensity of the profits that such East-West trade could create.
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