China might help the US curb soaring oil prices and fears of inflation by releasing its own crude oil reserves to a certain extent as a favor, experts said on Tuesday. But the US must return the favor with sincerity in pushing for a better environment for China-US cooperation, particularly it should refrain from heaping ungrounded pressure and crackdown on China in areas where they don't need China's help, experts said. The US government has made an appeal to China, India, Japan and...