unenforced

1. Legal disclaimers on e-mails are not only unenforced but unenforceable – making one wonder why they are so popular.
   电子邮件中的法律声明既难以执行，也不具执行效力&人们不禁奇怪这种声明何以如此盛行。
2. Too many unenforced laws can breed contempt for law.
   太多的非强制法会滋生对法律的轻视。

adj

1. not enforced
   1. too many unenforced laws can breed contempt for law