也许是要升级应用程序；也许是完全更改它们。
Maybe applications are being upgraded; maybe they're being changed completely.
youdao
应用程序代码升级稍微复杂一些。
Application code upgrades are a little more complex.
应用程序需要升级，必须应用软件维护。
Applications are upgraded, software maintenance must be applied.
有一个选择升级到新版本的应用程序。
There is an option to upgrade to new version of Apps.
应用推荐
模块上移
模块下移
不移动