https://online1.tingclass.net/lesson/shi0529/0000/704/1_132.mp3
https://image.tingclass.net/statics/js/2012
M: Hi, Doris. I hear you are going to the United States next week.
W: So I am.
M: When did you get your passport?
W: I got it last week.
M: How long is it valid?
W: It's valid for 5 years. I am planning to do a doctor’s degree during my stay there.
M: Good. Good luck to you!
W: Thank you very much.
M:你好,Doris。聽說你下周要去美國了。
W:是的。
M:你是什么時候辦好護照的?
W:上周。
M:護照有效期是多久?
W:有效期是5年,我打算在那兒讀一個博士學位。
M:那不錯,祝你好運!
W:非常感謝。