1. Reduction of competition for food stimulates both natality and survival. 食物竞争的减少，刺激了出生率和存活力。
2. The essence of education is natality. Schools and educational institutions should be protected by the adults, free from any political and social interference. 教育的本质是新生，必须由成人刻意维护一个不受政治、外界干扰的完整学习环境，方为教育。
3. Populations-groups of individuals belonging to the same species-all have three very significant statistical characteristics: per capita birth rate or natality; 种群中的每个个体都属于同一个物种，具有三个非常显著的统计学特征：出生率；
英英解释
n.
1. the ratio of live births in an area to the population of that area; expressed per 1000 population pe
