大学生活英语-Using a Vending Machine(2)

（单词翻译）

A: I've never seen a machine like this before and need some help.
B: Sure, no problem. What are you trying to get?
A: I want to buy a drink.
B: OK. This machine needs you to use that change machine first to get correct change.
A: I've got the correct change already.
B: First you put your money in the dollar slot¹ or the coin slot. The dollars have to be smooth².
A: OK, what next?
B: Just know that sometimes the money doesn't go in perfectly³ the first time and you have to try again.
A: OK, next?
B: Choose what you want and push the button. Sometimes it takes a couple of tries.
A: I agree with you.
B: Hope that works⁴ for you!