Spanish phrase
Quiero cambiarlo por ~.
Meaning
I want to swap it for ___.
When to use it
It means someone wants to swap one item for another. It sounds natural in a casual conversation about choices.
Example dialogue
¿Quieres usar el lápiz rojo?
Would you like to use the red pencil?
Quiero cambiarlo por el azul.
I want to swap it for the blue one.