The father buys,the son bigs,the grandchild sells,and his son thigs.
父买、子修建、孙儿卖,重孙街上当乞丐。
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。