social members in rural areas的用法和樣例：
例句
- Evolution produced this reward system because it increased the survival of members of our social primate species.
演化產生了這個報償系統，因它增加了社會成員的存活率。 - Charity is the behavior of generalizing goodness among people, with all the social members getting benefited.
慈善是人們交互性的普惠行動，是全體社會成員共同受益的過程。
