求翻译：多数同学认为：1、上网可以，但必须限时。2、多数人上网是玩游戏、聊天，而不是学习。3、个别同学因上网而荒废了学业。是什么意思？

Most students think: 1, on the Internet, but must be limited. 2, most people go online is to play games, chat, rather than learning. 3, individual students abandoned their studies because of Internet.