certificate of subscription

例句：

1. 1. Weneed to provide a certificate of subscription forthe new software.
   我们需要提供一份新的软件的订阅证明。
2. 2. The company issued a certificate ofsubscription to its employees as a reward fortheir hard work.
   公司为表彰员工的辛勤工作，向其员工颁发了订阅证明。
3. 3.The customer received a certificate of subscription fromthe bank, which confirmed their account wasactive.
   客户从银行收到了一张订阅证明，确认他们的账户是活跃的。