I'll make it up to you later. 我以后还你的人情
make it up to sb.（为某事）对某人做补偿
例句：
Thank you for buying me the ticket，I'll make it up to you later.
谢谢你为我买票，以后我要还你情的。
I'll make it up to you later. 我以后还你的人情
make it up to sb.（为某事）对某人做补偿
例句：
Thank you for buying me the ticket，I'll make it up to you later.
谢谢你为我买票，以后我要还你情的。
