foreign policy
noun [ U ] uk/ˌfɒr.ən ˈpɒl.ə.si/ us/ˌfɔːr.ən ˈpɑː.lə.si/
外交政策
a government's policy on dealing with other countries, for example in matters relating to trade or defence
He advises the president on foreign policy issues. 他为总统在外交事务上提供建议。