栏目简介：The Chinese and Pakistani air forces have cooperated in planning and implementing strategies, as well as learning operational concepts and tactics from each other through sitting in the same fighter during the ongoing joint drills named "Shaheen VI" from Sept 7 to 27"Chinese ambassador to the United States Cui Tiankai said Friday "both China and the United States benefit from bilateral trade, so efforts to undermine Sino-US trade, or even slapping sanctions on China, I think would be off-target