在商务交流中，有时由于各种原因需要取消已经安排好的会议或约会。掌握一些优雅且专业的表达方式，不仅能够体现你的职业素养，还能避免不必要的误解。以下是一些常见的商务英语中取消约会的说法，供你参考：

1. "I'm sorry to inform you that I have to reschedule our meeting due to unforeseen circumstances."

2. "Unfortunately, something urgent has come up, and I need to postpone our appointment."

3. "Due to a last-minute change in my schedule, I would like to cancel our meeting today."

4. "Please accept my apologies for not being able to keep our appointment. I have to reschedule it."

5. "I regret to say that I need to cancel our meeting this afternoon. Let's find another suitable time."

6. "I appreciate your time and effort, but I must cancel our meeting tomorrow. Can we arrange it for next week?"

7. "I hope this won't cause any inconvenience, but I need to reschedule our meeting."

8. "I understand if this causes some disruption, but I have to cancel our appointment."

9. "I apologize for the short notice, but I need to cancel our meeting today."

10. "Let's call off our meeting for now and plan it again when things settle down."

这些表达方式既礼貌又专业，可以帮助你在商务场合中更有效地处理取消约会的情况。记得在沟通时保持真诚的态度，并尽量提出一个新的时间安排，以显示你的诚意和合作意愿。