
Have legs
Longevity Implied
Use 'has legs' for ideas or plans that you think will be successful or relevant for a long time.

Your renewable energy proposal really has legs; it's the future of our industry.
Metaphoric Potential
'Has legs' is a metaphor that suggests something is strong enough to stand on its own and move forward.

This application's unique design has legs – it can disrupt the market.
Future Success
Use it when expressing confidence in the future success or sustainability of an endeavor.

I think this charity has legs; its model is scalable and impactful.
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