美国要阻止中国购买俄罗斯石油，中方回应

Core Viewpoint - The article discusses China's stance on unilateral sanctions imposed by the U.S. and emphasizes the importance of normal economic and energy cooperation between China and Russia, which should not be affected by external pressures [3]. Group 1 - The U.S. is pushing for a bill to strengthen sanctions against Russia, which would allow it to pressure countries like China, India, and Brazil to stop purchasing cheap Russian oil [3]. - China firmly opposes illegal unilateral sanctions and asserts that its economic and energy cooperation with Russia is not aimed at third parties and should remain unaffected [3].