French phrase
En cas de ~, que devons-nous faire ?
Meaning
In the event of ___, what should we do?
When to use it
Used to ask how to respond when a problem occurs. It is polite and businesslike, often used to confirm procedures or priorities with colleagues or a manager.
Example dialogue
En cas de retard de livraison, que devons-nous faire ?
In the event of a delivery delay, what should we do?
Il faut informer le client et proposer une nouvelle date de livraison.
We should inform the customer and propose a new delivery date.