Neden olmasın? O benden sadece 20 yaş büyük.
- Why not? She is just twenty years older than me.
Emin misin? Neden olmasın?
- Are you sure? Why not?
Let's have pizza for lunch. — Yes, why not?.
I don't want to go out today. — Why not?.
Why not try turning the handle in the other direction to see if that opens the window?.
... And we said, why not cut out the middle man? And as a consequence, what we've been able ...
... Why not? ...