Because Sam's membership card is impossible to consume, you can only use WeChat or Alipay, but for the sake of financial security, you can only add your own bank card, so you can't bind other people's bank cards.
Sam Member Store is a high-end membership store owned by Wal-Mart, a Fortune 500 company. Its name comes from the founder of Wal-Mart, Mr. sam walton, a legendary retail legend.