She first appeared in the early 1990s and continued contributing on a casual basis until 1996.

All are driven by a strong community spirit and contribute on a voluntary basis.

Each person worked six hours a day and contributed on an equal basis to the common welfare.

He accepts that his input into the group is still the largest but believes the other members are contributing more on a growing basis.

You do need players who are optimum level to contribute and produce on a regular basis.

I think they can contribute more on a consistent basis.

He began to give talks and contribute essays on a regular basis thereafter.

It currently has over 170 student members, who contribute on a weekly basis.

"They are going to have to contribute significantly on a regular basis," he said.

The station's programmers have always contributed on a voluntary basis.