inconvertible

Baskets are notoriously hard to make work, especially if they include an inconvertible currency.

众所周知，一篮子币难发挥作用，特别是如果其中包含不可兑币话。

Exchange control restricts the right of holders of a currency to exchange it for other currencies.It thereby renders a currency inconvertible.

外汇管制是对一币持有者将其兑成币限制，因此表现为币不可兑。