Summarize this article in one sentence.
In South America, most countries speak Spanish, although in Brazil, Portuguese is the primary language. Esperanto = Pardonon, kie estas la banejo? (par-DOH-nohn, KEY-eh ESS-tahs la bahn-EY-yo?) Portuguese = Com licença, onde fica o banheiro? (com lee-SAY-nsa, OHN-jee FEE-cah oo bah-YAY-roo?) Spanish = Perdone/Disculpe, ¿Dónde está el baño?(Formal) (Per-DON-eh, DOHN-deh es-TAH el BAHN-yo?)

Summary:
Prepare by finding out which languages are spoken in the countries that you will visit. Study these translations before you leave for your trip to South America: