French phrase
On échange nos ~ ?
Meaning
Shall we exchange our ___?
When to use it
A casual proposal to exchange something with each other. Used among friends or peers; it can sound too casual in formal settings.
Example dialogue
On échange nos numéros de téléphone ?
Shall we exchange our phone numbers?
Bonne idée, voilà le mien.
Good idea, here's mine.