也谈“学足‘三余’”张茂汉朝末年有位叫董遇的人，勤奋好学。即使在兵荒马乱的情况下，在贩运粮食的途中，他仍然带着书籍，抽空阅读，后来做了大官。有人请教他：想读书而苦于没有时间怎么办？他回答说：“当以三余”。哪“三余”呢？即冬为岁之余，夜为日之余，阴雨为... Also talk about “learning enough ’more than three,” “Zhang Mao-han end of the year there was a man called Dong Yu, studious. Even in the chaos of soldiers and wives, he still carried books, took the time to read, and later became a big official on the road to food trafficking. Some people ask him: want to study but suffer no time how to do? He replied: ”When more than three.“ Which ”three"? That is, winter is the age of more than, the night is more than a day, rain is ...