“改天吧。”用英文怎么说？可以使用的句型是——Some other time.

情景会话1 朋友William邀请我喝咖啡

William: Do you have plans today? I was wondering if we could go for a cup of coffee? （你今天有什么安排吗？我在想我们能不能喝杯咖啡？）

Zoey: I am sorry, uh...I'd like to but I have an appointment with my dentist today. Some other time, maybe. （对不起，嗯……我想去的。但是我今天约了牙医。或许改天吧。）

情景会话2 同学Jeremy邀请我吃饭

Jeremy: Would you like to go to the steak house downtown with me? （你想和我一起去城里的牛排馆吗？）

Zoey: I am a little bit busy. How about some other time? （我有点忙。改天怎么样？）