?????? 保障性住房是與商品性住房（簡稱商品房，即condo/condominium）相對應的一個概念。保障性住房是指政府在對中低收入家庭實行分類保障過程中所提供的限定供應對象、建設標準、銷售價格或租金標準，具有社會保障性質的住房。我們常說的經濟適用房（affordable housing）和廉租房（low-rent housing）就屬于這類住房。

?????? 請看中國網有關溫家寶總理2010年政府工作報告（全文）的雙語登載：

２００９年中央政府公共投資９２４３億元，比上年預算增加５０３８億元，其中，保障性住房、農村民生工程、社會事業投資占４４％，自主創新、結構調整、節能減排和生態建設占１６％，重大基礎設施建設占２３％，災后恢復重建占１４％。

——摘自《2010年政府工作報告（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

?????? （來源：中國網學英語頻道）