会员数目

例句：

1. 1. The club has a membership of over 500 members.
   这个俱乐部有超过500名会员。
2. 2.She was disappointed when she found out that her membership had expired.
   当她发现她的会员资格已经过期时，她感到失望。
3. 3.The company offers various membership benefits to its members.
   该公司为会员提供了各种福利。