?最后生存年金

... 保存 (使事物、性质、意义、作用等继续存在, 不受损失或不发生变化) preserve; keep; conserve; hold; maintain; reposit 保存精力 conserve one's vitality [strength]; 保存实力 preserve one's strength; conserve one's forces; 保存资料 preserve reference materials; 这些书保存得很好。 these books are well preserved.; 保存期 retention period; length for preservation 定期生存年金 temporary life annuity 最后生存年金 last-survivor annuity ...