在美国，如果你在餐厅吃完饭想要打包剩余的食物，你可以使用以下几种表达方式：
1. "Can I get this to go？"
2. "Please wrap it up for me."
3. "Can I have a doggy bag？"
4. "I’d like a to-go box, please."
5. "Can you give me a box/bag？"
6. "Wrap up the dish, please."
7. "Would you mind packing this up？"
8. "Can you help me with the leftovers？"
这些表达方式简洁明了，能够有效地传达你想打包食物离开餐厅的意图
