These services are part of the national health care system.

Every other developed nation has a national system of education.

They want to make it a national system in the very near future.

However, the national educational system is not the only one available.

The new national system will not replace those now in use.

I for one think it's a wonderful that we have a national system.

Other countries' national health systems deliver better care at less cost.

America may well be ready for a rational, national system.

There was even less agreement on exactly what a national system of tests should be.

"I can't for the life of me see how a national system could be more accurate than that."