contingencyn.偶发事件；偶然；依附条件，制约条件contingency forces应急部队contingency assets备用资产contingency models权变理论contingency profit或有利润contingency of war战争偶然性contingency theory权变理论contingency design权变设计,附属设计Contingency supply应急供应contingency charge临时费用contingency margin应急保证金