1. If the asset-backed securities are not adequate, during the period of repurchase, the pledges are eligible to require the bond holders to superadd or replace the asset-backed securities. 如果回购期间出现质押券不足额情况，逆回购方可要求正回购方追加或置换质押券。
2. Dave backed his truck to the pile and we carefully backed the bike down the plank until the back tire hit the higher gravel. 戴夫支持他的卡车向桩，我们仔细支持自行车沿着木板，直到回到轮胎击中更高砾石。
3. After lunch was about an hour of allotted rest time, in a cavernous room lined with soft, antimacassar-backed armchairs. 午餐过后，有大约一个小时的规定休息时间，地点是在一间像洞穴一样的房间里。
4. This paper discusses the mortgage-backed securities(MBS) and the information asymmetries in the MBS market. 讨论抵押贷款证券化及其信息不对称。
5. He backed the car into the garage. 他把汽车倒开到汽车房里去。
