High Commission
noun [ C usually singular ] uk/ˌhaɪ kəˈmɪʃ.ən/ us/ˌhaɪ kəˈmɪʃ.ən/
（英联邦国家间设立的）高级专员公署
the embassy of one Commonwealth country in another Commonwealth country
（处理专门事务的）国际性委员会，特别事务公署
an international organization that has been created for a particular purpose
the United Nations High Commission for Refugees 联合国难民事务委员会