If we're talking about national security problems, maybe it's the Secretary of State, maybe it's the Secretary of Defense, the Director of National Intelligence, maybe the ambassador to the United Nations, or somebody else who they think is going to know more about the particular problem.
若是我们在讨论国家安全问题 那个顾问可能是国务卿 可能是国防部长 情报部门的主任 或者是驻联合国的大使，或是决策层自选的 一些相关问题专家。