in black and white

含义

written down, so it is official

写成文字，具有正式效力.

例句

1. 1I won't believe the pay rise until I see it in black and white.
2. 2The landlord promised to fix the boiler, so I asked him to put it in black and white.
3. 3Get the refund promise in black and white, because phone calls are easy to forget.
4. 4It's there in black and white in your contract: twenty-five days' holiday a year.
5. 5Why didn't anyone put the new rules in black and white before the school trip?

语法

短语不变化，词序固定：black 在前。常用在 put something、see something 或 be there 之后。