Even an important function such as silencing the ringer is often beyond the expertise of average phone users.

即使是有些重要的功能，比如静音，也经常超出了普通使用者的能力。

youdao

Even an important function such as silencing the ringer is often beyond the expertise of average phone users.

即使是有些重要的功能，比如静音，也经常超出了普通使用者的能力。

youdao