曼彻斯特城市大学（Manchester Metropolitan ...

南外普高Y同学（成功入选荣誉项目Honors Carolina）、南京一中国际部H同学、南京一中国际部H同学、南外IB-Z同学、西安铁一国际部W同学、苏州北美国际高中S同学 ...

Mix as in mix and mingle, join and become part of a large group. To be in the mix, then, is to be included. Hence, ...