Can you give me a copyproof (official notice) for case?
你能给我一份证明(官方通知的情况下)？
2
In this proof of concept, you need to copy or migrate a complete image of a virtual server from the primary data center to the disaster recovery data center.
在概念验证中，需要把虚拟服务器的一个完整映像从主数据中心复制或迁移到灾难恢复数据中心。
3
Before you send your file to your commercial printer, print a copy of it on a color desktop printer as a color proof.