That role can change from week to week, so I'll just keep my eyes open and my hands ready.

Nothing had changed from week to week: only the old man's tenure there was slipping away.

"Rules do not change from week to week," he said.

That can be especially important if you have children whose tastes might change from week to week.

Originally, the three other panelists changed from week to week.

The colors used were arbitrary and changed from week to week (so no one color was identified with a particular note or rest).

After July 12, hours change from week to week; call to check.

The date of the contest has been changed to next week, Catherine.

Countdown was unique in that some of its content changed from week to week.

As the kitchen's creations change from week to week, so does the menu for the meal.