Richard Liu (R), chairman and CEO of JD.com, attends a dialogue with David Mark Rubinstein, co-founder and co-chief executive officer of The Carlyle Group, during the 48th annual meeting of the World Economic Forum (WEF) in Davos, Switzerland, Jan. 24, 2018. The 48th World Economic Forum (WEF) Annual Meeting opened Tuesday in Davos. (Xinhua/Xu Jinquan)