保障性住房是与商品性住房（简称商品房，即condo/condominium）相对应的一个概念。保障性住房是指政府在对中低收入家庭实行分类保障过程中所提供的限定供应对象、建设标准、销售价格或租金标准，具有社会保障性质的住房。我们常说的经济适用房（affordable housing）和廉租房（low-rent housing）就属于这类住房。

       请看中国网有关温家宝总理2010年政府工作报告（全文）的双语登载：

２００９年中央政府公共投资９２４３亿元，比上年预算增加５０３８亿元，其中，保障性住房、农村民生工程、社会事业投资占４４％，自主创新、结构调整、节能减排和生态建设占１６％，重大基础设施建设占２３％，灾后恢复重建占１４％。

——摘自《2010年政府工作报告（全文）》

In 2009, the central government's public investment was 924.3 billion yuan, 503.8 billion yuan more than in the previous year's budget. Of this, 44% was invested in low-income housing, projects to improve the wellbeing of rural residents, and social programs; 16% in independent innovation, restructuring, energy conservation, emissions reductions, and ecological improvement; 23% in major infrastructure projects; and 14% in post-Wenchuan earthquake recovery and reconstruction.

—— Excerpt from Full Text: Report on the Work of the Government

Areas for low-cost housing, consisting of affordable housing and low-rent housing, would be given 24,454 hectares, more than double the 2009 figure.

The central government vowed to build three million low-cost apartments for low-income families and renovate 2.8 million shanty houses at the Third Session of the 11th National People's Congress in March this year.

—— Excerpt from China to increase land supply for housing

       （来源：中国网学英语频道）