Spanish phrase
No, pero ¿y si ~?
Meaning
No but what if ___?
When to use it
Refuses a proposal and offers a different option. Used to decline a request then propose another time or method with tone adjusted by phrasing.
Example dialogue
¿Podemos hablar del proyecto ahora?
Can we talk about the project now?
No, pero ¿y si lo hablamos mañana?
No but what if we talk about it tomorrow?