归根结底 | guī gēn jié dǐ

Meaning

In the final analysis; ultimately; when all is said and done

Original

当今世界正面临百年未有之大变局，国与国的竞争日益激烈，归根结底是国家制度的竞争。

Variants

归根结蒂；归根结柢；归根到底

Source

http://cpc.people.com.cn/n1/2019/1201/c64094-31483371.html