求翻译：随着商品房销售额的年年增加，个人购买商品房的比例也在逐年的增加。住房商品化的程度从侧面表现出国内贸易市场化程度提高。是什么意思？

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With the increasing year after year, sales of individual purchases of commodity housing is also an increase in the year. The commodification of housing from the side of the domestic market.

Along with the commodity apartment sales volume year after year increase, purchases the commodity apartment personally the proportion also in the yearly increase.The housing commercialization degree displays the domestic trade marketability degree enhancement from the side.

As the commercial housing sales increased year after year, of personal commercial housing purchasing ratio also increased year by year. Commercialization of housing from the side showing the extent of domestic trade market level.

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