专业

1. 他大学时的专业是国际贸易。
   He majored in international commerce in college.
2. 专业人员的助手受过训练辅助专门人员的非专职人员
   A trained worker who is not a member of a given profession but assists a professional.
3. 医术，医业，医学有关医学的技术和专业
   The art or profession of medicine.
4. 从业者，执业者从事某事的人，尤指从事职业、专业或技术的人
   One who practices something, especially an occupation, a profession, or a technique.
5. 许多人能够回答他们各自专业方面的问题，但是真正能区别人的智能还是一般常识的问题。
   Many people can answer questions on their own special subject, but it's general knowledge questions that separate the men from the boys.

业的英语翻译：