据了解,全国566家出版社介入教辅用书的竟达500多家,全年发行的教辅图书品种数在90 000种左右。如此多的出版社、如此多的教辅图书猛然涌入市场,导致市场供大于求,原来的卖方市场已经完全转向了买方市场,教辅图书市场已成为一个周期长、投入大、利润薄的高风险行业,许多出版社 It is understood that 566 publishing houses in the whole country have intervened more than 500 teaching aids, and there are about 90,000 kinds of supplementary books distributed throughout the year. So many publishers, so many supplementary books suddenly poured into the market, resulting in the market oversupply, the original seller’s market has completely shifted to the buyer’s market, supplementary book market has become a long cycle, large investment, low profit High-risk industry, many publishers