"constructive contribution" is correct and usable in written English.
You can use it when you would like to refer to a helpful addition to something or a helpful suggestion or suggestion for improvement. For example: "The professor appreciated the students' constructive contributions to the class discussion."
The Eurosceptics launch sporadic passionate and even hysterical attacks, but make no constructive contribution.
I am assured of the constructive contribution that our women will make at that conference.
We will make a very significant and constructive contribution to a post-2020 agreement.
"We cannot live on rhetoric and criticism, but we have to give our own constructive contribution".
Roosevelt made his most constructive contribution in the realm of foreign policy.
One is an example of how religious commitment can make a constructive contribution to public life.
"Our labor directors have made constructive contributions to the corporate governance process, and they are fully aware of the fiduciary-duty obligations that they have".
We purposely published the modern slavery bill in draft form for pre-legislative scrutiny so that we could listen and respond to constructive contributions and concerns.
"I deeply regret what was said, will endeavour to work hard at making constructive contributions in the future and will always have a deep appreciation for our viewers".
So our challenge to the system is to do more to raise awareness of the rights we already have and embrace the challenges raised by patients as constructive contributions to plans for making things better.
"There seems to be a political decision that has been made that it is better for the Republican Party to say no than to say yes or to make constructive contributions to the process," Mr. Axelrod said.
