He made a much more important contribution to the project than I did.

His most important contribution was in the field of community development.

But his most important contribution came in the final 4:18.

Both made important contributions to the early Soviet sound film.

He has made an important contribution by writing many course books.

"In order to get there all of these people made very important contributions."

They did, however, make an important contribution to the development of that industry.

"Why shouldn't we keep something that has made important contributions to the city for 50 years?"

He's made an important contribution to our understanding just the same.

It is our most important contribution to a new world order.