to pay for it, to pay it
Sra. Rafferty, ¿usted dejó claro que no podría pagarlo inmediatamente?
Mrs. Rafferty, did you make it clear that you wouldn’t be able to pay for it immediately?
— El viento que acaricia el prado (2006)
Cuando compras algo, tienes que pagarlo.
When you buy something, you have to pay for it.