Not everyone is blessed with having enough money to pay for their university without having to work (or have parents who pay for it instead). Many students must work a side job, even a full-time job, on top of their schooling.
Two words. Oral presentation. Either that made you pumped, or you are sweating and nervous right now. If you are the latter, then this is for you. Learn how to prepare for an oral presentation so you will stay calm, and ace it!