去星巴克买咖啡情景的英文对话进门后,想说一杯摩卡咖啡,中杯,外带.想要地道的英文表述,不需要说出“一杯”的意思吗？

mocha 摩卡咖啡
grande 中杯
to go 外带
tall 小杯
venti 大杯

A：服务员
B：顾客
A: Good morning, Sir. How are you?
B: Fine, and you?
A: Very good, Sir. How may I serve you today?
B: I'd like a cup of mocha.
A: Sure. Large or medium?
B: Medium, please?
A: Anything else to go?
B: Yeah, give me a chocolate bar also.
A: You've got it.
B: Please have them wrapped. I'll take them away.
A: Sure. It's seven eighty-nine.
B: Here's eight dollars. Keep the change.
A: Thank you, sir. Have a nice day.
B: Same to you.

I want a media coffee of mocha to go.其实一般你不用说外带 星巴克不管怎样 装的杯子都是一样的 如果你买了很多杯 想拿走的话 到去咖啡的地方拿个托盘就行了 我一般是说 I want a media coffee of mocha with the ...

Mocha coffee medium takeout please
不够地道也许帮得上