Spanish phrase
¿Por qué no ~?
Meaning
Why don't we ___?
When to use it
Suggests doing something together. Polite, casual invitation used among friends or coworkers to propose a shared plan.
Example dialogue
¿Por qué no vamos al cine esta tarde?
Why don't we go to the movies this afternoon?
Buena idea, ¿a qué hora quedamos?
Good idea, what time shall we meet?