在新制度经济学中，“契约”是一个核心的概念。的翻译：In the new institutional economics, "contract" is a core concept. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

In the new institutional economics, the "contract" is a core concept.

In the new institutional economics, "contract" is a core concept.

In the new system economic, “the contract” is a core concept.

In the new institutional economics, "compact" is a core concept.

In the new institutional economics, "contract" is a core concept.