benefitn.利益；津贴；义演；保险金；借助vt.有益于；得益benefit theory利益说,利益理论benefit gaming利益博弈benefit ticket红票,中彩的票benefit period受益期；给付期限Benefit demand利益诉求benefit corpus利益主体benefit policy定额保单benefit weight利益衡量benefit scheme抚恤金方案Benefit bodies利益主体