16-01-28 Have you ever been ignored when trying to talk to someone playing a video game? Or missed your train stop because you didn't hear the announcer when you were checking your phone? 你是否有过在某人玩游戏时试图跟ta讲话但被忽略的经历？或者有没有在玩手机...

10-02-09 Deafness is the most common disorder of the senses. Tragically, it commonly strikes in early childhood, severely damaging an affected child's ability to learn speech and language. In many cases, children gradually lose their hearing to become profoun...