They gain sustenance by draining energy from intelligent beings; the subject so affected bursts into flames as if experiencing spontaneous combustion.

Your young people are rapidly becoming the new 'Irish', emigrating away from their homes to gain sustenance as laborers.

What dost thou know of the struggle to gain sustenance, generation on generation, on our harsh and stony worlds, as I have known it?

Initially, scientists thought that microbes there gained sustenance only from sulfur.

Some of us gain sustenance and hope by believing in an all-seeing and all-forgiving deity and the promise of another existence free of anguish.

Spirits gain sustenance by feeding on the concepts they represent.

Unlike vampires, they gain sustenance from a person's breath, as opposed to their blood, by riding their victims.

Any way to gain sustenance was grudgingly welcome, especially when the local fruit and berry patches were picked out and pie trees were between pies.

New Yorkers, it is often remarked, gain sustenance from irritation.

In return for providing massive firepower, the Skrill gained sustenance and a means of getting from place to place.