取消约会
A：I‘m sorry, but I have to cancel out luncheon appointment.
真抱歉，不过我不得不取消我们午餐的约会。
B：I‘m sorry to hear that.
真遗憾。
A：I have pressing business to attend to .
我有紧急的事情要处理。
B：No problem. we‘ll make it later in the month .
没关系，这个月改天再说吧。
1. later on : 稍后；
2. no later than : 不迟于；