People have increased their investment on the real estate industry due to the vast business opportunity contained in it . so the structural excess of supply over demand has emerged in the market and the risk of investment is increasingly great than before 由于蕴藏了巨大的发展机会，社会各界普遍加大了对房地产行业的投资，开发总规模不断提高，市场上出现了结构性的供大于求现象，投资风险正在逐渐加大。
