The most important thing is that it will be expensive to apply for a card for the first time, and it will be cheaper for old members to renew their cards; If you buy for more than a few years at a time, you can get more discounts; In addition, they often have performance-oriented activities at the end of the month or at the end of the year, and there are several activities every year. It can be cheaper to apply for an annual card at this time.
In this way, the average annual card of one trillion Wade is 3,400, the two-year card is less than 3,000/year, the five-year card is even less than 2000/ year, and there are 10 cards and so on.
Wales is similar.