to cause a group to become part of or form a close relationship with another, usually larger, group, or organization

a college affiliated to the University of Mumbai 孟买大学附属学院

The school is affiliated with a national association of driving schools. 这所学校隶属于一个全国驾驶学校协会。

an organization that is connected with or controlled by another, usually larger, organization

Our college is an affiliate of the university. 我们学院隶属于这所大学。