计算机软件升级很容易，用户可以在相互竞争的软件平台之间进行选择。

Computer software is easily upgradable and users have a choice between competing software platforms.

youdao

计算机软件升级很容易，用户可以在相互竞争的软件平台之间进行选择。

Computer software is easily upgradable and users have a choice between competing software platforms.

youdao