A final word of caution – never try any of this without backing up your system.最后再提醒一句 没有给你的系统做备份,千万不能尝试这类操作。The final word on policy determination belongs to the committee.决策权掌握在委员会手中。The final word will still come from the Secretary of State.最后仍然要由国务卿来定夺。Your mother's decision is the final word on the matter.这个问题由你妈妈最后拍板决定。