certificate of existence

例句：

1. 1. The certificate of existence is required for the registration process.
   注册过程中需要提供存在证明。
2. 2. The company issued a new certificate of existence to mark its revival.
   公司颁发了新的存在证明以标志其复苏。
3. 3. The government issued a certificate of existence to the newly established hospital.
   政府为新成立的医院颁发了存在证明。