Hétong shang báizhǐ-hēizì xiě de qīngqīngchǔchǔ, bùnéng dǐlài.
The contract is written in black and white, plain and clear - there's no denying it.
Tips
usage
Used to emphasize that something is documented and therefore irrefutable. Often appears in legal or contractual contexts. The implication is: 'it's right there in writing, no excuses.'