I have been corrected a couple of times for using 'cada día' rather than 'todos los días' to mean everyday, but when I look in my dictionary, it says both of them can mean every day. I know that 'cada día' can also mean each day.
Two examples I found:
Cada día más existe la necesidad de comprobar los cables.
Todos los días revisamos la lista de pasajeros.
Could someone explain please? Thank you.