For users with an ordinary domestic Internet connection, the changeover may involve upgrading their hardware.
对于是普通国内互联网连接的用户，新IP地址的改变可能需要升级他们的硬件。
They were able to save in the short-term by upgrading their software instead of hardware.
通过仅升级软件而不升级硬件，他们在短期之内可以省一笔钱。
The hardware system design is a redundancy design, which provides room for the future upgrading.
硬件系统设计采用了冗余设计，为以后系统的升级提供了空间。
The hardware system design is a redundancy design, which provides room for the future upgrading.
硬件系统设计采用了冗余设计，为以后系统的升级提供了空间。
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