World Trade Organization Director General Roberto Azevedo speaks at the Business 20 (B20) summit in Hangzhou, capital of east China's Zhejiang Province, Sept. 3, 2016. (Xinhua/Li Xin)
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World Trade Organization Director General Roberto Azevedo speaks at the Business 20 (B20) summit in Hangzhou, capital of east China's Zhejiang Province, Sept. 3, 2016. (Xinhua/Li Xin)