Group 1 - The article discusses the journey of a couple, A-Zhen and A-Qiang, as they search for a wedding house, highlighting their visits to various real estate sales offices in the city [2] - The article emphasizes the importance of formal sales contracts in reporting the sales area of commercial housing, which includes both new and existing properties [8][16] - It explains the components of real estate development investment, including land acquisition, construction costs, and related expenses, which are crucial for understanding the overall investment landscape in the real estate sector [5][6] Group 2 - The article outlines the criteria for what constitutes the sales area of commercial housing, noting that only properties with formal sales contracts and corresponding cash flow can be included in the statistics [8][12] - It clarifies the differences between the statistics reported by the statistical bureau and the housing construction bureau, particularly regarding the types of properties included in each report [20] - The article also mentions that the sales area of affordable housing and government buyback projects can be included in the commercial housing sales area, provided they meet specific contractual and financial criteria [12][20]

根据国家统计局数据， 2024 年全国商品房销售面积为 9.74 亿平方米 ，同比 下降了 12.9% ，其中最主要的 住宅销售面积为 8.14 亿平方米 ，占整体房地产的 83.64% ，增速同比也下降了 14.1% 。 2025 年前两月，全国商 品房销售面积为 1.07 亿平方米 ，同比 下降了 5.1% ，其中最主要的 住宅销售面积为 0.92 亿平方米 ，占整体房 地产的 85.68% ，增速同比也下降了 3.4% 。 降幅有所收窄 。 从更长周期看，自 2000 年以来，我国商品房销售面积大致可分为 三个阶段 。 2000 年 -2010 年为高速增长阶 段 ，这期间商品房销售面积增速均在 10% 以上，且基本在 20% 左右，最高时达到 42.1% （ 2009 年， 2008 年为 负增长 19.7% ，由于前年基数小，因此 2009 年大幅增长）。 2011 年 -2021 年为中低速增长阶段 ，这期间除个别 年份外增速降低到 10% 以下，另有 2014 年和 2019 年两年销售面积为负增长 ；而 2013 年和 2016 年销售面积增 速分别为 17.3% 和 22.5% 。 2021 ...