原有的不能增息获利的钱money that does not gain interest

定时收入的固定数额的钱regular fixed income

不作再生产增值的钱款idle money

• 他们不花钱，也不用于投资，而是将其藏在最秘密的地方，成为死钱。

  They do not spend money and do not invest it either: they just hide it away somewhere secret so it becomes idle money.