上海大学李白坚教授指出,习作教学应从“前作文”开始,要教会学生“摄取生活素材”的本领。现行的从命题开始的作文指导,常常忽略了写作前的生活积累、感情酝酿。这样的指导是不全面、不科学的。为了解开“写什么”的症结, Professor Li Baijian from Shanghai University pointed out that the teaching of composition should begin with “before composition” and teach the students to “take in the living material”. The current composition guidance starting from the proposition often neglects the accumulation of life before writing and the emotional brewing. Such guidance is not comprehensive, unscientific. In order to solve the crux of “writing what”