The user does not have to care about the programs he or she needs to use or where to get further information.

用户无需担心需要使用的程序或者在何处获取进一步的信息。

youdao

The user does not have to care about the programs he or she needs to use or where to get further information.

用户无需担心需要使用的程序或者在何处获取进一步的信息。

youdao