If I used to join the book club, but later I stopped, is it a member of the book club?

Count. Calligraphy Association is the abbreviation of Calligraphy Association. Since its establishment, calligraphy has made great progress in artistic creation, academic research, calligraphy education, foreign exchange and organization and management. The arithmetic writers who stopped participating after joining the calligraphy association before did not quit the calligraphy association. Calligraphy Association was established in 2004, and it belongs to China Institute of Environmental Management.