求翻译：加之不同中介公司的中介人员之间的房源信息私下买卖现象普遍,这使的不同中介公司往往拥有几乎相同的房源信息,即使卖方没有委托过某中介公司,该中介公司的中介人员也会带领潜在买方前来看房.是什么意思？

Combined with the availability of information intermediary intermediary between the private sale of the phenomenon in general, which makes the various intermediary companies tend to have almost the same as the availability of information, even if the seller has not commissioned an intermediary compa

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Adds between the different tendering agency's intermediary personnel's room source information to buy and sell the phenomenon to be common in private, this causes the different tendering agency often has the nearly same room source information, even if the seller has not entrusted some tendering age

Coupled with a different agency as an intermediary between the widespread sale of housing information in private, which allows different houses of intermediary companies tend to have nearly the same information, even if the seller has not commissioned a company, the company's intermediary also leads

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