Roosevelt made his most constructive contribution in the realm of foreign policy.

But more serious missions can make constructive contributions to policy.

Mr President, thank you once more for your many constructive contributions and points of view.

Mr President, thank you for the various constructive contributions which we have heard.

This is, however, a constructive contribution to the overall picture.

I look forward to Parliament's constructive contribution to that conference.

I also wish to thank all those other Members who have made a constructive contribution to this report.

I thank all the other speakers who made constructive contributions.

I am not sure this article is a constructive contribution.

He was finally making a constructive contribution and found himself enjoying a talk with another engineer.