B2 noun ˈlaɪf ɪkˌspek.tən.si
life expectancy
espérance de vie
Meaning
The average period that a person may expect to live; the length of time for which something is expected to last or to continue being effective.
Example
Life expectancy depends on healthcare quality.
L'espérance de vie dépend de la qualité des soins de santé.