Listen Read Learn Daniel: Dad, do you know which bus we should take?Benjamin: Of course, er, let me check the bus schedul...

• 今天是周末，爸爸带着丹尼尔去西单图书大厦购买图书，但是走到了公交车站牌处却忘记了具体的路线，那么最后他是怎么解决这个问题的呢？