Blue alum comfortably lay on the bed and rolled twice. Then he opened Qiu Ya's briefcase and took out several pieces of paper. After a careful look, he found that it was the document notice of exchange student of Tsinghua University. It turns out that colleges and universities often send several talented students to study in other schools to see what they can learn from. Those talented students are also called exchange students. Usually, exchange students are all for one month, and most of them are fourth grade students. It seems that the first grade students like blue alum can become exchange students, or because of Qiu Ya's relationship. As...