允诺禁反言 meaning in English

promissory estoppel

By analyses and reasoning , the essay mainly about the concept of the responsibility of contractual negligence and stimulates their origin , their differences from the duties of breaking contract and vioaliting a right , their impotanct components
并通过与违约责任、侵权责任、允诺禁反言制度的比较，确定缔约过失责任概念的外延。三、关于缔约过失责任的理论基础。
The third part and forth part are the main body of this paper . the third part includes the legal attribute and characters of demand guarantee , which points out the double legal attributes and later focuses on the primary character of independence , absolution , promissory estoppel and trend of documentation
第三部分是见索即付保函性质和法律特征，首先分析关于其法律性质的几种学说，其次重点研究其独立性本质特征，最后，对比传统的从属性保函，探讨了其表现出的无条件性，允诺禁反言，单据化和表面一致的法律特征。