A listing agent can help sellers get the home on the multiple listing service so others can see it and negotiate the best price for the seller.

一个挂牌代理可以帮助卖家在多个挂牌服务上获得房屋，这样其他人就可以看到它，并为卖家协商出最好的价格。

The lawsuit alleges that the National Association of Realtors with its 1.3 million members have colluded to keep commissions high by using something called the multiple listing service.

诉讼称，拥有130万会员的全国房地产经纪人协会(National Association of Realtors)串通一气，利用所谓的多重挂牌服务来保持高额佣金。