go through channels
按程序辦事；通過正規渠道解決問題
正式·強調按程序辦事
英文釋義
to follow the proper procedures or hierarchies in order to accomplish something
例句
You need to go through channels to get approval for the new project.
典故來源
源自官僚體系中的正式流程，強調按層級或規定行事。