今年以来，北京、上海、广州等大城市房地产开发市场持续“增温”。据统计，1-10月，全国房地产投资额比去年同期增长近30%。与此同时，商品房空置率也呈增长态势，商品房销售情况也不均衡。为此有关专家提出，要警惕出现新的一轮“房地产泡沫”。日前，记者走访了市统计局固定 Since the beginning of this year, real estate development markets in major cities such as Beijing, Shanghai and Guangzhou have continued to “warm up.” According to statistics, from January to October, the national real estate investment increased nearly 30% over the same period of last year. At the same time, the vacancy rate of commercial housing also showed an upward trend, and the sales of commercial buildings were also not balanced. To this end the experts put forward to be alert to a new round of “real estate bubble.” Recently, the reporter visited the Municipal Bureau of Statistics fixed