1.This is my round. 轮到我付钱了。 2. It's my treat. 我请客3. I'm buying. 我来买单 4. Let me get this. 我来做东（口语化表达） 5. It's on me. 我请客/算我账上。 6. I'll pick up the check. 我来结账。 7. Shall we split the check? 我们大家平摊？
