offer one's services

offer one's services[ˈɔfɚ wʌnz /ˈsɜːvɪsis/] 

offer one's services 基本解释
效劳;自荐;
offer one's services 双语例句

1. Recommend oneself; propose oneself; offer one's services
    ∶一家人;同一团体内的人