"Bookstores today just swipe the book number and get the price when a customer checks out. They are quite unable to provide data on purchase time and the sex and age of the consumer, as is done in 7-Eleven convenience stores."
「現在的書店結帳時只刷書號、算錢而已，根本無法像 7-11 便利商店那樣提供購買時段、性別、年齡層等消費者資訊。」