Give preference to somebody/something - Idioms by The Free Dictionary
give preference to somebody/something
give preference to (someone or something)
To prioritize someone or something above someone or something else. The recruiter was told to give preference to any alumni who apply for the job.
give (a) preference to somebody/something treat somebody/something in a way that gives them an advantage over other people or things: Preference will be given to graduates of this university.