the Diplomatic Service
noun🔊/ðə ˌdɪpləˌmætɪk ˈsɜːvɪs/
🔊/ðə ˌdɪpləˌmætɪk ˈsɜːrvɪs/
(especially British English) (North American English usually the Foreign Service)
[singular]the government department concerned with representing a country in foreign countries 外交部门