失窃的手机也可以变得毫无用处，只需事先设定：若判定使用者并非合法物主，手机即自动失效。

Stolen cellphones could also be rendered useless by programming them to disable themselves if they detect that the user of the phone is not the legitimate owner.

youdao

失窃的手机也可以变得毫无用处，只需事先设定：若判定使用者并非合法物主，手机即自动失效。

Stolen cellphones could also be rendered useless by programming them to disable themselves if they detect that the user of the phone is not the legitimate owner.

youdao