王之涣的“更上一层楼”已经成为小断探索者的座右铭.不管楼层有多高,登楼的阶梯总是有限的.当你登上了第一级,就可以把第一级作为攀登第二级的基础,如果不先登上第一级,就无法登上第二级.同理,如果登上了第n级,你不困难而退,坚持继续攀登,你 Wang Zhifu’s “raising to the next level” has become the motto of the Xiaogao explorer. No matter how high the floor is, the ladder to go upstairs is always limited. When you climb to the first level, you can use the first level as a climber. The second-level basis, if you don’t go to the first level, you can’t get to the second level. Similarly, if you get to the n-th level, you’re not difficult to retreat, insist on continuing to climb, you