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Klaus Schwab, founder and executive chairman of the World Economic Forum (WEF), speaks at the first plenary session of the 49th Annual Meeting of WEF in Davos, Switzerland, Jan. 22, 2019. (Xinhua/Xu Jinquan)

Klaus Schwab, founder and executive chairman of the World Economic Forum (WEF), speaks at the first plenary session of the 49th Annual Meeting of WEF in Davos, Switzerland, Jan. 22, 2019. (Xinhua/Xu Jinquan)