专业professional,专业人士professional

ptt专业讲师培训 专业改变世界 professional to change the world 1
专业销售技巧 professional selling skills (pss)
exin agile business professional 业务敏捷专业人士
来聊聊考土木工程pe那些事 professional engineer exam/license
master of professional accounting 专业会计硕士