Trace Back – Put away your books and start with a random fact or concept. Then relate that idea to another concept in your subject. Keep doing this tracing pattern until you’ve linked many ideas together. The Gupta Dynasty reminds you of ancient Greece which reminds you of Socrates, reminding you of Confucius…
跟踪返回——把书放在一边,随机选择一个概念或者问题,然后将它和书中另一个概念关联起来,继续下去直到你关联了很多知识点。比如Gupta王朝让你想起了古希腊的苏格拉底,然后是孔夫子。