4 sentences

1. 中介正在努力撮合这笔买卖。

   zhōng​jiè zhèng​zài nǔ​lì cuō​he zhè bǐ mǎi​mai.

   The agent is working hard to broker the deal.

   Source: Dong Chinese Dictionary

2. 中介机构会从每笔交易中抽取佣金。

   zhōng​jiè jī​gòu huì cóng měi bǐ jiāo​yì zhōng chōu​qǔ yòng​jīn.

   Agencies take a commission from every transaction.

   Source: Dong Chinese Dictionary

3. 通过房产中介，我很快就租到了房子。

   tōng​guò fáng​chǎn zhōng​jiè, wǒ hěn kuài jiù zū dào le fáng​zi.

   Through a real estate agent, I quickly rented a house.

   Source: Dong Chinese Dictionary

4. 他在这场谈判中起到了中介作用。

   tā zài zhè chǎng tán​pàn zhōng qǐ​dào le zhōng​jiè zuò​yòng.

   He played an intermediary role in this negotiation.

   Source: Dong Chinese Dictionary