French phrase
Quel est le besoin derrière ~ ?
Meaning
What need lies behind ___?
When to use it
Asks about the underlying need behind a proposal or feature. Neutral and logical in business discussions.
Example dialogue
Quel est le besoin derrière cette fonctionnalité ?
What need lies behind this feature?
C'est pour augmenter le taux de conversion.
It's to increase the conversion rate.