The expectation is that this will keep the college attractive enough to sustain demand.

So Mr. Main makes sure that scarcity whets the public's appetite and sustains demand.

The resulting cachet helps to sustain demand.

It uses ethics to build trust in the news, sustaining demand for the media industry.

Following scandal and the economic crisis related to the Spanish property bubble, the developer ran into trouble sustaining demand and financing for the project.

That not only supports the standard of living of the unemployed, but also sustains demand for consumer goods and services.

Its original purpose was not to educate children but to sustain demand for "Dalmatian" merchandise.

And the unchanged body style of recent Accords - a new version will arrive this fall - has helped to sustain demand for the parts.

"China remains key over the next year to sustaining demand" globally for industrial commodities.

Dairy Crest said at the time that it "could not sustain demand".