Universitat Politècnica de Catalunya (UPC)

No, nada mas.

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I understand just about any word, sentence or slang that the spanish can think of. In my spoken spanish I don't use that much slang because it's easier to talk without it. You simply speak faster when you don't need to think of some saying or slang every time you say a sentence. The only reason that I learned the language so well in such a short period is that I studied there and was in a class full of spanish(/catalan) people. Most of my friends were spanish(or spanish speaking) as well and all my other friends were there since september and already spoke the language quite well when I arrived. So I only had people I could learn from.