e.g. For thirty years, this wealthy American businessman was the backer of this enormously expensive project of photographing.
e.g. we are now faced with a sizeable backlog of orders. 目前我们面临的积压定单数量巨大。
e.g. The backpack-type parachute, which is being marketed in the United States and Japan, has a $ 795 price tag and weighs four pounds.
Back pay 补发工资 （常为追补的加薪金额）
e.g. She received 6 months’ back pay in here July pay packet. 她领到7月份工资时还同时收到
Backup 1 备份， 备用件
e.g. Did you make up a backup copy? 你做了备份了吗？
Backup 2 为……做备份，亦作back up
e.g. You can backup accounting records, business plans charts, graphs or confidential information on CDs for decades-safe and secure.
Back-up facility 支持设备，辅助设备
e.g. The latest development is the use of the virtual office to provide essential back-up facilities to the self-employed.
Bad debt 坏帐， 呆帐， 倒账（无法收回的应收账款）
e.g. The bank wrote off one million pounds in bad debt. 银行注销了100万的呆帐。
Bad publicity 负面影响
e.g. When they started to raise prices, they might create bad publicity, which would hurt
their brands. 当他们开始提价时，就可能造成负面宣传，损害其品牌。
Baggage allowance 行李重量限额
e.g. If the boss is traveling with a lot of heavy equipment he will probably exceed the baggage allowance by the airline.
Bagstuffer 公告传单， 小型宣传品，通常在街头散发或在付款台前塞进顾客购物袋。