CHICAGO GIRL, terry wei : 第一个正式的ZB作业，谢谢景大的耐心教课，谢谢同班的游游佑佑和pongpon，老问你们把你们都问烦了把哈哈哈哈~ The first formal ZB operation, thank you for the patient teaching of CRAZY JN, thank you for the tour of the class, Youyou and pongpon, and asked you to bother you all. Hah
