professional personnel

例句：

1. 1.The team needs a professional personel to help them with their project.
   这个团队需要一位专业人士来帮助他们的项目。
2. 2. She is a professional personel in the field of marketing.
   她在市场营销领域是一位专业人士。
3. 3.The company hired a professional personel to manage its new product launch.
   该公司聘请了一位专业人士来管理新产品的推出。