从事教学工作的人总是脱离不开“教与学”。这个双边活动将两个年龄相差较悬殊的群体生生地联系在了一起。那就是作为成年人的老师与尚处于成长阶段的学生(他们既在长身体,又在长知识)。而且这种年龄差距在中小学阶段表现得尤为突出。正是这种较大的悬殊在两种群体之间无形地又多了一层隔膜,多了一扇大门。本来管理与被管理就存在着一种无形的对立,再加上年龄上的差距,就让两代人之间的代沟更增一层壁垒,代沟本就无形地存在。假如没有了这层壁垒,没有 People engaged in teaching work is always separated from “teaching and learning.” This bilateral activity connects the two groups with more or less the same age. That is, as an adult teacher and a still growing student (who are both long and knowledgeable). And this age difference is particularly prominent in primary and secondary schools. It is this greater disparity between the two groups invisible more than a layer of membrane, more than a door. Originally, there was an intangible confrontation between management and administration. Coupled with the age gap, the generation gap between the two generations had been further inflated and the generation gap had become invisible. If there is no such barrier, no