Usually, if the living expenses are calculated by 3%, it can reach180,000, and the living expenses of many large projects are not only tens of millions, but even hundreds of millions. In an activity or dispute, the intermediary provides media services to the client, and the reasonable remuneration charged to the client in the process of providing services is called "living expenses".

Intermediaries are intermediaries who report information opportunities or provide media contacts for clients to conduct civil legal acts with third parties. Intermediaries in the futures market refer to citizens, legal persons, futures companies or customers who are "entrusted by futures companies or customers" and "provide them with opportunities to conclude futures brokerage contracts or intermediary services". Futures companies or customers shall pay remuneration to intermediaries in accordance with the agreement.