而且，曹国虽是小国，但因其是姬姓诸侯国，身为宗室贵胄，在春秋时期的诸侯争霸舞台上倒也扮演了一个不可或缺的角色。
Cao is a small country , but because he was surnamed Chi vassal state , as the imperial clan nobles , also played an integral role on the stage of feudal hegemony in the Spring and Autumn Period .
姬姓国