These were the numbers in theory, at least, though very often the practice differed.

This practice differs from that of many other nations.

This plant's practices differed from those used in Alberta in a number of ways.

Some scholars maintain that practice may have differed over time, or from one Mithraea to another.

Volunteers learn that practice quite often differs substantially from the theoretical ideal situation.

While both sides have the same predominant religion, social and cultural practices differ greatly.

In the 2000s, the dubbing practice differs depends on the nature and origin of the program.

The rules and practice differ from country to country in that respect.

Clinical practice and public health often differ over the rationing of health care.

As we know, it is in the workplace where law and practice differ the most.