primary insuranceglossary / primary insurance Insurance that attaches immediately on the happening of a loss; insurance that is not contingent on the exhaustion of an underlying policy. Cf. excess insurance. [Cases: Insurance 2110.] 词条贡献者 双语律师Max，国际知名法学院法律专业，擅长翻译各类与航空航天、国防及政府服务相关的法律文件。
primary insurance primary insurance, 优先保险 primary insurance 优先保险 又称原保险或基础保险（original insurance或underlying insurance)。保险事故发生时，首先承担保险责任的保险。如此项保险不足以补偿损失时，再由超额保险或其他保险予以补偿。
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