In China "buy one, get one free" usually means if you buy a dress you get a belt to go with it free, or something like that. In Europe, and I'm sure the US the

In China "buy one, get one free" usually means if you buy a dress you get a belt to go with it free, or something like that. In Europe, and I'm sure the US the items must be the same or of equivalent value. Also I believe the “full price” before discount must have been the offered price for a certain number of days in the recent past, but I can’t remember the details.