n.不能交换；不能兑换
The latest outer skin became the critical intermediate of space-time and is the boundary of time inconvertibility and convertibility. 这个最新的表皮成为了时空临界的中介，是时间不可逆与可逆的边界。
On the basis, the thesis introduces the non-commercial risk’ main content: expropriation risk, inconvertibility risk and war risk. 第二章在明晰非商业风险相关概念的基础上，介绍了非商业风险的主要内容：征收险、汇兑限制险及战乱险。
Traditionally, the insurance on offer has covered political violence (war, insurrection and such), nationalisation and expropriation of assets and currency inconvertibility. 传统的保险项目覆盖了政治爆力（战争、叛乱等相关类型）、资产没收及征用、限制货币自由兑换等项目。
inconvertibility of paper currency [经] 纸币的不可兑换性
the partial inconvertibility between two languages; 两种语言的不可统译；
