你应该咨询合格的执业医师寻求建议。

You should consult a qualified medical ___practitioner for advice.

医疗从业者在促进公众健康方面扮演着至关重要的角色。

Healthcare ___practitioners play a vital role in promoting public health.

他是一位受人尊敬、拥有超过二十年经验的法律从业者。

He is a respected legal ___practitioner with over twenty years of experience.