经典口语：Directions 问路与指路
Dialogue 1: 1对话1:
Jeff: Excuse me.
Jeff: 劳驾（对不起，麻烦问一下）。
Li: Yes?
Li: 什么?
Jeff: How do I get to the Olympic Stadium, please?
Jeff: 我怎么去奥林匹克运动场？
Li: It’s not far. Go straight on then turn right at the end of the road.
Li: 离这儿不远，一直往前走，走到头儿向右拐。
