他在解决这个问题上起了积极的作用的翻译：He has played a positive role in solving the problem 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

To solve this problem he played an active role on

He has played a positive role in solving the problem

He in solved in this problem to play the positive role

He for the solution of this problem has played an active role in

He has played a positive role in solving the problem