Rural area social security的用法和样例：
例句
- Relevent measures and system of Chinese rural social security have developed from ancientry to modem times.
摘要中国农村社会保障的相关措施与制度，从古代到现代是不断发展的。 - But it is not enough in the extent and still instable while family security remains the basic pattern in rural areas.
但程度还不高，也不稳定，家庭保障仍是农村社会保障的基本模式，保障功能比较脆弱。
