Definition (點餐)
When ordering food at a restaurant, this phrase indicates that you would like the food packaged to take away rather than consuming it at the premises.
外帶（食物）
I'd like a cheeseburger and a strawberry milkshake to go.
我想要一個起司漢堡和草莓奶昔外帶。
Could I get two chocolate brownies to go, please?
請給我兩個巧克力布朗尼外帶。
Can we get an extra order of fries to go?
我們可以多點一份薯條外帶嗎？