French phrase
Supplément pour ~ ?
Meaning
Is there an extra charge for ___?
When to use it
Asks whether an item costs extra. Common in hotels and travel, with a slightly formal tone.
Example dialogue
Supplément pour un lit supplémentaire ?
Is there an extra charge for an extra bed?
Oui, c'est 15 euros par nuit.
Yes, it's 15 euros per night.