She was in perpetual demand with her public, and therefore with her managers.

The recurrence of seasons of trouble and sorrow, makes a perpetual demand upon our faith.

The small-talk, the perpetual demand on her attention, the constant interruptions, seemed to benumb what faculties she had.

The most frequent difficulty by which the authors of these petty compositions are distressed, arises from the perpetual demand of novelty and change.

But I hope that he will set it down to the right cause-theperpetual demands upon my time.'