French phrase
Si ce n'est pas possible, que proposez-vous ?
Meaning
If that is not possible, what do you suggest?
When to use it
A question requesting an alternative. It is used after a problem is raised to seek a practical substitute or compromise.
Example dialogue
Je crains que le fournisseur ne livre pas à temps.
I'm afraid the supplier may not deliver on time.
Si ce n'est pas possible, que proposez-vous ?
If that is not possible, what do you suggest?