1. Multidimensional reading is a brand-new series of English graded reading materials, covering three stages: primary school, junior high school and senior high school. There are many kinds of reading, and the copyright fee is also very high, so it is very expensive.
2. Multidimensional reading is costly, and the English graded reading textbook jointly developed by Foreign Language Teaching and Research Press and GES Company of New Zealand consumes a lot of manpower and material resources.