The structure has evolved over time and may vary by state.

The structure of the leaves varies somewhat between these groups.

The structures varied, but the basic principle was the same.

The structure of these groups varies depending on size and other local needs.

The structure of the order has varied several times since then.

The duties, structure, and size of the student bar association varies among law schools.

And, besides, the structure of teeth varies as you go into them.

The structure of health care charges can also vary dramatically among countries.

Though the competition's structure has varied over time, the size of the league remained the same from the previous season.

The national structure also considerably varies on areas and area cities.