Argentine Castellano, or better said, caste-SH-ano, is significantly different from all other forms of Castellano (which means the Spanish language).    If you have come here to learn Spanish, be aware that there are many differences, and you will be learning a Spanish that differs a lot from Spanish...

One difficult thing for English speakers to get used to when speaking Spanish is speaking formally, by using the “usted” form.  In English, you say “you” to everyone, because there is no distinction between formal and informal.  In Spanish, “you” can either be “vos”...