it goes without saying
US /ɪt ˌɡoʊz wɪðˈaʊt ˈseɪ.ɪŋ/
UK /ɪt ˌɡoʊz wɪðˈaʊt ˈseɪ.ɪŋ/

1.
不言而喻, 显而易见
used to mean that something is obvious or generally accepted
:
•
It goes without saying that we'll need more funding for this project.
不言而喻,这个项目我们需要更多资金。
•
For a good student, it goes without saying that they will study hard.
对于一个好学生来说,不言而喻他们会努力学习。