black and white
成語所屬單字white
black and white — 慣用語
1. in a way that is written down and can be proved; or describing a situation that
1.慣用語
釋義
白紙黑字；非黑即白
in a way that is written down and can be proved; or describing a situation that is very clear, with no room for doubt or in-between
例句
The contract set out the terms in black and white for both parties.
Theo sees the world in black and white, but real life is usually more complex.