David J. Firestein, president and CEO of George H.W. Bush Foundation for U.S.-China Relations and inaugural executive director of China Public Policy Center in the University of Texas at Austin, speaks during the third annual gala and award ceremony of the CGCC-Houston in Houston, Texas, the United States, Dec. 7, 2018. Bilateral economic cooperation between the United States and China was emphasized by political and business leaders at a gathering Friday evening in Houston in the U.S. state of Texas. More than 300 officials and business executives of Chinese and American companies attended the third annual gala and award ceremony of the China General Chamber of Commerce-Houston (CGCC-Houston). (Xinhua/Liu Liwei)