Other countries may tap the " black" trade, where Russian oil—ferried on tankers with their transponders turned off, transferred from ship to ship on the high seas or blended with other crudes—cannot be traced.
其他国家可能会利用“黑色”贸易,俄罗斯石油——在油轮上转运时关闭转发器, 在公海上从一艘船转移另一艘船或与其他原油混合——无法追踪。