So, the advance sale of commercial housing has been approbatory by the market in general, and it fully functions on activating real-estate market and promoting the housing condition.

• 因此，商品房预售形式受到市场的普遍认同，对于活跃房地产市场，促进居民住房条件改善起着积极的作用。但是，在商品房预售过程中，预售合同履行的时间跨度大，不确定因素多；