One And Only Mirage - Flywheelsites News
You typically wouldn't use either phrase for meetings. 'one-to-one' is rare and often technical in any case, you might say, 'on most websites there is a one-to-one relationship between a username and … Regarding one hundred or a hundred etc, the person saying that there is a difference is right - one is used more for precision but a is more common and employed.
