L'expression du samedi!
Y'a pas photo! (there's no photo): on utilise cette expression pour communiquer que l'on a aucun doute à propos de quelque chose ou bien pour indiquer qu'il y a une nette différence entre deux choses. / Y'a pas photo (there's no photo): we use this expression to communicate that we have no doubt about something or to indicate that there's a clear difference between two things.
Ex: Two men are looking at two cars. One is a luxury car and the other is a plain family car.
Patrick: Laquelle tu préfères? (Which one do you prefer?)
Fred (pointing at the luxury car): Celle-là! Y'a pas photo! (That one! There's no doubt!)