A：Would you like a cup of coffee?你要不要喝一杯咖啡?
B：No, thank you.不，谢谢。
A：I'm going to get one for myself. They make really good coffee here.我自己要一杯，他们这里的咖啡很好。
B：On second thought, I will have a cup.仔细想过之后，我想我还是要一杯