现代医学和健康的生活方式极大地促进了人类寿命的延长。

Modern medicine and a healthy lifestyle have significantly contributed to the increase in human ___longevity.

人口寿命的不断增长正给养老金体系带来压力。

The rising ___longevity of the population is putting a strain on pension systems.

这家公司在动荡市场中的长久存续，归功于其持续的创新。

The company's ___longevity in a volatile market is attributed to its constant innovation.