Spanish can use four or five dialects, plus Vasque that is a totally different isolated language. But they all talk also bare metal Spanish.
Andalusians will change naturally to a more standard and fully intelligible Spanish when talking with somebody from Zaragoza (or even with Andalusian people that use a different accent). And any educated person can write fully understandable standard Spanish.
Andalusians will change naturally to a more standard and fully intelligible Spanish when talking with somebody from Zaragoza (or even with Andalusian people that use a different accent). And any educated person can write fully understandable standard Spanish.