例句:
1. 他大學時的專業是國際貿易。
He majored in international commerce in college.
2. 專業人員的助手受過訓練輔助專門人員的`非專職人員
A trained worker who is not a member of a given profession but assists a professional.
3. 醫術,醫業,醫學有關醫學的技術和專業
The art or profession of medicine.
4. 從業者,執業者從事某事的人,尤指從事職業、專業或技術的人
One who practices something, especially an occupation, a profession, or a technique.