1 . infeasibility
inequality 不等式infeasibility 不可行性infeasible 不可行的
2 . unfeasibility
unfavourablebalanceoftrade 貿(mào)易逆差, unfeasibility 不可行性, unfearing 不畏懼的
3 . impossibility
imposition 過分要求, impossibility 不可行性, impositionoftax 課稅
4 . infeasible
the optimum currency area is infeasible to build up in eastern asia ., 東亞建立最優(yōu)貨幣區(qū)的不可行性.