Maybe they can't sustain a long campaign without a broader base.

How do you sustain a political party without principles or vision?

We recognize that the political changes taking place in these countries will be difficult to sustain without economic progress.

Most of them soon learned that those restaurants could not be sustained without their presence.

"The community groups could not have sustained a long battle without money from Simon," he added.

The shark was still formidable and could sustain itself without food for days.

My first question is this: can a single currency be sustained without a strong European budget?

Parents are welcome here, and it would be immensely difficult to sustain our high quality of education without them.

"The economy is still growing at a pace that cannot be sustained in the long run without higher inflation," he said.

Here in America we cannot sustain an active engagement abroad without a sound economy at home.