有个成语叫“教学相长”。其意思是说，通过教学活动，不但会使学生得到进步，老师本人的水平也能得到提高。我今天套用“教学相长”这一成语而提出“写学相长”，其意思则是想说明写作与学习的关系：二者之间能互相促进，共同提高。先说学习对写作水平提高的促进。这似乎不需 There is an idiom called “teaching and learning.” It means that through the teaching activities, not only will the students be improved, but also the level of the teacher himself can be improved. Today, I put forward the phrase “learning from each other” by applying the idiom of “learning from each other”. The purpose is to explain the relationship between writing and learning: the two can promote each other and improve together. Let’s start by learning how to improve writing skills. This does not seem necessary