The establishment of the dimension of "between" conforms to the historical trend and the general trend of the times, and contributes to the establishment of a rational thinking mode and an objective cognitive system of country studies in China. The continuous thinking on "between" is helpful to the discipline construction and system construction of China regional country studies, and to the maturity and perfection of China paradigm of regional studies.

Professor Wu's masterpiece Between Regions and Countries (hereinafter referred to as Between) made him feel very excited. Professor Wu is an outstanding scholar in the fields of Southeast Asian studies and overseas Chinese studies, and enjoys a high reputation in academic circles at home and abroad. Room is the first masterpiece in a series of studies on the Maritime Silk Road and regional history in Peking University. This book systematically examines the history of regional country studies from two aspects: discipline methodology and case study. Under the long-term academic accumulation, the author puts forward the expandable research scope, analytical framework and teaching and research mechanism of China regional country studies. The thought and essence of the book are condensed in the word "Jian", which puts forward a possible dimension of country studies in China region. Starting from the international academic history of regional studies and combining with the current practical needs of China, this theoretical construction is very valuable.