公司聘请了多位IT专业人士来升级我们的系统。

The company hired several IT ___professionals to upgrade our systems.

这些医疗专业人士在医院里救治了无数病人。

These medical ___professionals have saved countless patients in the hospital.

专业人士在工作中始终保持高标准和严谨态度。

___Professionals always maintain high standards and meticulousness in their work.