上不封顶 meaning in English

chain debts
set no ceiling limit and give no minimum guarantee

For the large investors , convertible corporate bond is a relatively new instrument of investment 。 because of its strong points , such as the coexistence of safety and venture , unlimited revenue with a safe bottom , it has great preponderance over other common securities
可转换公司债券对广大投资者而言是一种比较新的投资工具,它具有安全性与风险性共存、 “下可保底、上不封顶”特点,具有很大的发行优势。
From two aspects , the design of bank interior incentive mechanism and the long - term incentive to the manager , discuss how to strengthen the commercial bank ’ s credit risk management ; several advices are given about completing the commercial bank ’ s credit risk management ; the european credit incentive option is designed , and
从银行内部激励机制的设计和对经理人员的长期激励两个方面讨论如何加强商业银行信用风险管理。提出了完善商业银行内部信用风险管理激励机制的建议;设计了一种欧式信用激励期权,该期权克服了股票期权“上不封顶”的诱导缺陷,并探讨了其实际应用。