institutions是什么意思

An institution is a large important organization such as a university, church, or bank.

An institution is a building where certain people are looked after, for example people who are mentally ill or children who have no parents.

An institution is a custom or system that is considered an important or typical feature of a particular society or group, usually because it has existed for a long time.

The institution of a new system is the act of starting it or bringing it in.