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A passenger scans a QR code of Alipay, a mobile payment app, to take bus in Hangzhou, capital of east China's Zhejiang Province, July 20, 2017. (Xinhua/Huang Zongzhi)?
A passenger scans a QR code of Alipay, a mobile payment app, to take bus in Hangzhou, capital of east China's Zhejiang Province, July 20, 2017. (Xinhua/Huang Zongzhi)?