Related Clues:

• Prove useful
• Use to one's advantage
• To no ___ (fruitlessly)
• Be of use to
• Be of profit to
• Service
• Do the trick
• To no ___ (uselessly)
• Gain
• Use beneficially
• To no ___ (purposelessly)
• Be of help
• To no ___ (unsuccessfully)
• Be useful
• Prove beneficial