exigency
noun [ C or U ] formal uk/ˈek.sɪ.dʒən.si/ us/ˈek.sə.dʒən.si/
紧急状况；危急关头
the difficulties of a situation, especially one that causes urgent demands
the exigencies of war 战争的紧要关头
Economic exigency obliged the government to act. 经济形势岌岌可危，政府被迫采取行动。