As President Barack Obama took the stage at the Apec business leaders summit in Beijing, excitement rippled through the crowd and the packed room transformed into a sea of glowing smartphone screens.
當美國總統巴拉克•歐巴馬(Barack Obama)登上在北京舉行的亞太經合組織(APEC)工商領導人峯會的講臺時，人羣頓時轟動，座無虛席的會議廳變成一片發光的智慧型手機螢幕的海洋。
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