There are also annual cards, 1300 or so, two-year cards are about 2000, and three-year cards are about 2800. There is also a card, which is a two-year card for two people. Usually they say it's a couple card. Of course, tell the waiter that the same sex can also be handled together, about 3000 yuan.
As for the group card, more than 20 people need to apply. This is an annual card. 890 yuan is alone, but you can either make up the number of people yourself or wait for them to make up 20 people to handle it together.