Zhu Min, Chairman of National Institution of Financial Research of Tsinghua University, speaks at a sub-forum themed "Dual Circulation - China's New Growth Paradigm" during Boao Forum for Asia (BFA) annual conference in Boao, south China's Hainan Province, April 21, 2021. A sub-forum themed "Dual Circulation - China's New Growth Paradigm" was held in Boao on Wednesday. (Xinhua/Li He)