Tu deberias viajar a otros paises
It means one "doesn't have too" or "you should not"
Depends on the context
Spanish is the most spoken language of South America.
Have a great day :)
Explanation:
I went to Spain, I did many things during the trip. I ate tapas every day and try paella and a Spanish omelette. I visit many castles and I take many photos of everything. Upon returning home, to visit my family and to all of them how much I enjoyed.
