You can enjoy a discount if you have a membership card. However, you should always pay attention to the promotional information of BBK supermarket. Sometimes it is a category discount, such as 61% discount for underwear, which means 61% discount for all underwear, and sometimes it is a single product. If it is a kind of Mengniu milk, it is only a single product discount, and sometimes it is a few discounts for the whole audience. For example, BBK has held several times this year, and members have a 15% discount for the whole audience.