很多的机器闲置在地下室里。

Many of the machines are gathering dust in basements.

《柯林斯英汉双解大词典》

实际上，闲置机器不仅可以担任备用角色，还可以有很多其他用途(包括与DB 2相关和不相关的用途)。

The truth is that you can leverage the idle machine for many USES (both DB2 and non-DB2 related) beyond the standby role.

youdao

商业萧条期间，这个工厂的机器半数是闲置的。

During the business depression, half the machines in the factory were idle.

youdao