adj.职业的; 专业的
n.专家; 内行
Professionals who feel demeaned by unskilled work. 感觉受到非技术性的侮辱的专业人员
This survey is the work of a real professional. 这份调查是真正内行人做的。
This book is written for professionals and laymen alike. 这本书既可供专业人员阅读，又可供外行人看。
