Note for English language learners: “Everyday” (adjective) is different from “every day” (adverb phrase). Study the following examples.
“You’re never too cool to learn something new.”
An interesting line I’ve just read in a pop-up window while browsing Merriam-Webster website. And I thought of sharing a similar idea with you.
b) He comes here every day.
a) That’s an everyday problem.