示例
A：Excuse me, can I have a cup of black coffee?
B：Your servant.
A：麻烦你，可以给我一杯浓咖啡吗？
B：非常愿意为您效劳。
A：Your servant.
B：Thank you and please give me tea with milk.
A：非常愿意为您效劳！
B：谢谢，请给我奶茶。