the act of becoming formally connected or joined; "welcomed the affiliation of the research center with the university"正式に関係する、または、参加するようになる行為所属
例:welcomed the affiliation of the research center with the university 研究センターと大学との提携を歓迎した
a social or business relationship; "a valuable financial affiliation"; "he was sorry he had to sever his ties with other members of the team"; "many close associations with England"社会的もしくはビジネス上の関係行通い