Many magical items in World of Warcraft are soul bound, meaning that they are permanently bound to specific players and cannot be transferred to other players.
2
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.
3
他告诉我们当他11岁左右时一位警官曾数次来到他所就读的学校来警告他们这种非法物质的危害。
When he was about 11, he says, a police officer made several visits to his school to give warning of the dangers posed by illicit substances.