Hypnotherapy can be a valuable aid to slimming, but it can't provide the answer.

It can therefore be a valuable aid to the better understanding and management of what is inevitably a very complex process.

It was a valuable aid to navigation on a world without landmarks.

We have provided valuable economic and humanitarian aid to ease the transition to a market economy.

He's been a valuable aid in certain government cases.

You were a valuable aid in defeating some very bad people.

When used correctly, they can provide a valuable aid to investigation.

The judge called the tape an "absolutely valuable aid" for the jury.

I can be a valuable aid on that mission.

Forming mental images of new vocabulary is a valuable aid in learning a second language.