Usages of por escrito
Si no te gusta una cláusula, no la firmes hasta que el dueño la modifique por escrito.
If you do not like a clause, do not sign it until the owner modifies it in writing.
El profesor corrige la tarea por escrito.
The teacher corrects the homework in writing.
Elon.io is an online learning platform
We have an entire course teaching Spanish grammar and vocabulary.