由于契约中不能包含无法证实的代理人努力的翻译：Efforts cannot contain unsubstantiated due to contract agents 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

Since the contract can not contain unverifiable agent to

Efforts cannot contain unsubstantiated due to contract agents

Because in the contract the packet of energy including is not unable the agent who confirmed diligently

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Efforts cannot contain unsubstantiated due to contract agents