而求租、求购的信息共有26条，其中只有11条信息对北京房源表示了兴趣，市场卖方的力量明显强于买方。

And Qiuzu, a total of 26 product information, including information on only 11 of the houses in Beijing expressed interest, the market is strong in the strength of the buyer.

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完全竞争也叫“纯竞争”，指的是一种买方与买方都不具有改变或确定一产品或服务价格的经济力量的市场环境。

Perfect competition Also called "pure competition," a market condition where no buyer or seller has the economic power to alter or fix the price of a product or service.

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因为买方和卖方的力量大致相同，可以长期持续存在且随著时间其交易区间越来越狭窄。

These exist when the buying and selling pressure are roughly balanced and can exist for long periods of time as ranges become increasingly narrow.

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