go without saying
不需要说出来的，自然而然的，理所当然的
口语·强调理所当然
英文释义
to be understood or accepted as obvious or true without needing to be stated explicitly
例句
It goes without saying that you should bring your own lunch to the picnic.
典故来源
源于逻辑常识，指某事不言自明，无需额外说明。