五种让学习变得有趣的方法（而不牺牲学习效率）

Learning requires focus. The reason is simple:学习需要专注，原因很简单：Learning is a process of building long-term memories.学习是一个建立长期记忆的过程。You form long-term memories of what you pay attention to.你专注于什么，就会形成对什么的长期记忆。Attention is limited. You can’t pay attention to multiple things at once.注意力是有限的，你无法同时专注于多件事情。But just because learning demands our focus doesn’t mean it can’t be enjoyable. Many activities put strenuous demands on our attention but we enjoy doing them anyway: video games, sports, puzzles and more.但是，学习需要专注，这并不意味着它就不能令人愉快。有许多活动都对注意力提出了苛刻的要求，但我们还是乐在其中，例如电子游戏、体育竞技、拼图等等。The opportunity cost theory of effort helps to explain the discrepancy. According to this theory, because our attention is limited, the ………………………………