intermediary
/ˌɪntəˈmiːdɪərɪ/noun
(pl. -ies)
1- a person who acts as a link between people in order to try and bring about an agreement or reconciliation; a mediator调解人, 中间人：
intermediaries between lenders and borrowers.
贷方与借方之间的中间人。
1.1
- adjective intermediate中间的, 过渡的：
an intermediary stage.
过渡阶段。
词源
late 18th cent.: from French intermédiaire, from Italian intermediario, from Latin intermedius （see INTERMEDIATE）.