Idiom: in black and white
— Thanks so much for the verbal offer but I also need to receive it in black and white.
— I won't believe it until I see it in black and white.
— Don't brush this off as something insignificant. His offensive comments are there in black and white.
— Be careful when you get a verbal promise. It's always best to follow up with something in black and white to confirm the agreement.
— Without proof in black and white, I'm not going to make any accusations.
— Ask your parents to write a note. We need to see their permission in black and white and keep it on file here at the school.
— Are you crazy? Why would you say something like that in black and white? I hope you don't get fired.
— The police detective was able to get the suspects confession in black and white during the interrogation.
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