Get 2 for 1什麼意思

"2 for 1" is a promotional offer that means you can get two items for the price of one. This type of offer is commonly seen in retail sales, restaurants, and entertainment venues as a way to attract customers and increase sales. For example, a restaurant might offer 2 for 1 on appetizers during happy hour, or a clothing store might advertise 2 for 1 on selected items.