签订并管理办公室行政相关合同的翻译：Office Administration and management-related contract signed 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Signed and manage the office administration contract

Office Administration and management-related contract signed

Signs and manages the office administration related contract

Signing and management of office administrative related contracts

Office Administration and management-related contract signed