As self-production rule and self-reference rule, the core of Luhmann's social systems theory, reflect a clear manifestation in contract system.

而作为卢曼社会系统理论核心的自我生产与自我参照概念，在合同制度中有着明显的体现。

youdao

As self-production rule and self-reference rule, the core of Luhmann's social systems theory, reflect a clear manifestation in contract system.

而作为卢曼社会系统理论核心的自我生产与自我参照概念，在合同制度中有着明显的体现。

youdao