1. The content update is different: the 22 nd edition and the 23 rd edition are different. Compared with the 22nd edition, the 23rd edition has updated more contents, including new knowledge points, errors and omissions in revision, etc.
2. Different layouts: The layouts of the 22nd and 23rd editions are also different. Version 23 may make some changes in the layout, font and color matching of books to make them more beautiful, readable and understandable.
3. Different prices: Due to the differences in content update and layout design, the prices of the 22nd and 23rd editions are also different. Usually, the price of the 23rd edition will be higher than that of the 22nd edition.
It should be noted that the specific differences may be different according to different books. It is suggested to carefully compare the differences between the two versions and choose the one that suits you.