Combo photo taken on dec. 4, 2016 shows Gu Xuezhi (L), a cook from Ming Da Chu "delivering" a cooked dish to his customer Dong Anqi in Nakai District of Tianjin, north China. Ming Da Chu provides customized dishes for users on Online-to-offline (O2O) platforms. The sharing economy, originated in 1970s in the U.S., is growing rapidly in China and has brought great changes to people's life providing more economic, verified and convenient services. (Xinhua/Lian Yi)
