counterpart
/ˈkaʊntəpɑːt/noun
1
- a person or thing holding a position or performing a function that corresponds to that of another person or thing in a different area对应的人（或物）：
the minister held talks with his French counterpart.
部长和法国部长举行了会谈。
2
- Law one of two copies of a legal document【律】（法律文件的）副本; 复本。