Generally, it is additional. Invite old members to participate in fitness competitions, just like sports meetings. I believe that friends who like fitness will come to see it and bring friends. As long as you see the perfect physique, many men can't help but join the fitness team! As for moon cakes, membership rewards, life-long membership and other prizes. In order to attract new customers, members recommend, recommend a member to enjoy a number of discounts for one year or several years until the number of life-long members is recommended! The middle profit is not small. You can do the math yourself! You are a good employee as long as you bring profits to your boss. Some of them are recommended by members.