乌克兰外长：对俄罗斯石油的价格上限应降至每桶30美元。

Core Viewpoint - The Ukrainian Foreign Minister suggests that the price cap on Russian oil should be lowered to $30 per barrel [1] Group 1 - The current price cap on Russian oil is considered too high by Ukrainian officials [1] - Lowering the price cap is aimed at further restricting Russia's oil revenue [1] - The proposed price cap of $30 per barrel reflects a significant reduction from previous levels [1]