We tested it last week on twelve- to fifteen-year-olds,
我们上一周曾在十二岁至十五岁的孩子中试过这项游戏,
Then, instead of having someone answering the phone all day, people can ring up the railway station and listen to a tape recording of the information.
然后,人们可以打电话到火车站,从录音电话中获取信息,而不要安排一个专人整天接电话。