Sarah rolled her eyes playfully. "You don't need a hack, Leo. You need to play the game." She pointed at the button on the Docsity sidebar. "Docsity works on a credit system. You don't have to pay with money; you pay with knowledge."
: Gain 5 points for answering a fellow student’s question, plus 10 extra points if your answer is chosen as the best. descargar docsity gratis harvard