Life expectancy at birth is a statistical measure of how many years a newborn is expected to live, rather than a guaranteed individual lifespan.
出生時平均預期壽命是表示新生嬰兒預期可活年數的統計指標，並非個人的保證壽命。
Life expectancy at birth is a statistical measure of how many years a newborn is expected to live, rather than a guaranteed individual lifespan.
出生時平均預期壽命是表示新生嬰兒預期可活年數的統計指標，並非個人的保證壽命。