What should we think about the economic and drug sanctions policy of the United States against some countries? How to interpret the aggression of American politicians? How to interpret the decrease in the proportion of foreign trade in China's overall economic activities? If the United States stops cooperation with China, how much will China lose? Ding Yifan, China Forum Expert and Vice President of the French Branch of the European Society of China, interviewed by Belgian writer and journalist Michel Cologne regarding these  issues.