institution
/ˌɪnstɪˈtuʃən/
an organization founded and united for a specific purpose
中文释义:机构;制度
The World Bank is a global financial institution that provides loans.
世界银行是一家提供贷款的全球金融机构。
Marriage is a social institution found in almost every culture.
婚姻是几乎每种文化中都存在的社会制度。