It has maintained an active presence on the Internet since 1998.

The notion of the director as an active presence on the set is thus shown to be inessential.

The active presence of the primary caregiver is preferred but not required.

Lopez, who has become an increasingly active presence, is listed as a senior vice president.

He has promised to make Government an active presence on environmental and energy issues.

Mary is thus not only a model to emulate but an "active presence in the life of the church."

After retiring，Al remained an active, influential presence in the international scientific community.

He was an active presence in many works and discussions.

Their active presence was intended to cause the appellants to leave the scene.

She has been an active presence in every video production.