If I say out lout "bananas, apples, and oranges", then I have a slight pause between each item in the list and the comma represents that pause. I say "bananas

If I say out lout "bananas, apples, and oranges", then I have a slight pause between each item in the list and the comma represents that pause. I say "bananas (pause) apples (pause) and oranges". I do not say "bananas (pause) apples and oranges".