问题描述：
英语,根据要求写对话
Situation1
You are blind.You want to visit a friend who lives on the other side of town.You have to go there by bus and you must change buses once.
Situation1
You are blind.You want to visit a friend who lives on the other side of town.You have to go there by bus and you must change buses once.
问题解答：
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