An agreement by which one person assumes the responsibility of assuring payment or fulfillment of another\\\'s debts or obligations. 保證書某人為承擔保證付款或為他人履行債務或其他義務等責任而簽定的條約
The new management is assuring its patron of its best effort and hospitality. 新的管理組織將保證為顧客提供最優質的服務。