同义词
- debenture bond
- unsecured bond
词路径
- entity
- abstraction
- abstract entity
- communication
- document
- debt instrument
- obligation
- certificate of indebtedness
- bond
- bond certificate
- unsecured bond
- debenture
- debenture bond
上位词
- bond
- bond certificate
- instrument
- legal document
- legal instrument
- official document