摘要
（In front of the National Grand Theater）David： Excuse me, could you tell me how to go to Peking University？Passer A： There is no direct bus for Peking University. You need change buses. Or you could take the subway first, then take a bus.David： So troublesome. I want to take a taxi, but I couldn＇t find a cab.Passer B： Well, the cab is not allowed to pause along the Chang＇an street. You go to next crossroad, where you could get a cab.
（国家大剧院前）大卫：你好，请问北京大学怎么走？路人甲：这没有直接到北大的公共汽车，你需要换乘。或者先做地铁，再换公交。大卫：太麻烦了。我想打车去，可是找不到出租车。路人甲：哦，长安街上出租车不能停。你走到下个路口，那儿出租车可以停。
