old boy network 熟人关系（俚语）
英文释义
An unethical arrangement by which jobs and privileges are offered exclusively to relatives or friends of a privileged male group of old friends.
Top administrative jobs were only available at the university to professors who were members of the school's old boy network.
在大学，只有处于学校的关系圈里的教授才能担任高级行政职务。