“我会在今后的生活中加倍地补偿你”英语怎么说？

I will compensate double for you in the future.
this is my duty.

I will compensate for you and treat you better in the future.

That's what I should do.

或

That's my duty.

I will try my best to repay you heaps more in the future.

I will try my best and use my heart to help you.

I'll pay you back tenfold later in life.