【简答题】Audio digital books are becoming more and more popular these years. One of the reasons for this is that audio digital books c an be “read” in many places comfortably. The first favorite place of many ...
【简答题】One day an ordinary dog appeared in the ticket office at Campiglia, a busy railroad station on Italy's main line. A ticket agent named Elvio greeted the strange dog in a friendly way, so the dog decid...