benefitn.利益；津贴；义演；保险金；借助vt.有益于；得益Benefit Transfer效益转移benefit marriage功利婚姻benefit and loss损益Benefit and Cost收益与成本benefit xpection收益预期Benefit relation利益关系benefit relevant利益相关者benefit security利益保障benefit adjuster利润调节器benefits in kind实物福利