abbr.
1. =Chief Executive Officer 首席执行官
2. =Catholic Education Office 天主教教育事务处
3. =Center for Effective Organizations 有效组织 (研究) 中心
4. =Center for Equal Opportunity 平等机会中心
5. =Centre for Earth Observation 地球观测中心
6. =Chief Entertainment Officer 首席娱乐官; 娱乐总监
7. =Chief Ethics Officer 首席道德官; 道德规范总监
8. =Christmas and Easter Only 仅限圣诞节和复活节
9. =Chief E-commerce Officer 电子商务总监; 首席电子商务官
10. =Chief Economic Officer 经济总监; 首席经济官