exigency
noun [countable, usually plural, uncountable](plural exigencies)
(formal)a need or demand that you must deal with immediately 急切需要；迫切要求 the exigencies of war 战争的应急措施 The political exigencies facing both leaders mean they must resume talks if violence is to be avoided. 两位领导人面临的政治紧急情况意味着，如果要避免暴力，他们必须恢复会谈。 He put financial exigency before personal sentiment. 他把经济上的迫切需要看得比个人情绪更重。
Word Originlate 16th cent.: from late Latin exigentia, from Latin exigere ‘enforce’, from ex- ‘thoroughly’ + agere ‘perform’.