noun
clouds and earth; heaven and earth; great difference
Literary term for the vast gap between clouds and earth, used figuratively for an enormous difference. Often appears in the set phrase 雲壌の差 (うんじょうのさ) meaning 'a world of difference'.
両者の実力には雲壌の差がある。
There is a world of difference in ability between the two.
この二つの作品は、質において雲壌の差だ。
These two works are poles apart in quality.