This paper provides a practical method which can determine the potential losses and their annual average expectancy for a city when it is hit by a destructive earthquake.

本文给出一种分析方法，可用来确定当城市遭遇一定地震烈度时的可能损失和年平均损失期望值。

youdao

Back in the 1840s, life insurance was very important because the average expectancy of life was only something like forty-five years, so that meant parents were dying left and right.

在19世纪40年代的时候，寿险是非常重要的，因为当时的人均期望寿命，仅为45岁左右，这意味着双亲平均只能活到45岁。

youdao

The average life expectancy was 40.

平均期望寿命曾是40岁。

《柯林斯英汉双解大词典》

The researchers found a 14-year difference in life expectancy between Asian-American and African-American men who can expect to live an average of 67 years.

VOA: standard.2010.04.08

Back in the 1840s, life insurance was very important because the average expectancy of life was only something like forty-five years, so that meant parents were dying left and right.

在19世纪40年代的时候,寿险是非常重要的,因为当时的人均期望寿命,仅为45岁左右,这意味着双亲平均只能活到45岁

耶鲁公开课 - 金融市场课程节选

Average life expectancy for Americans is 78.

VOA: standard.2010.04.08

Their life expectancy is now 73.5 years, while white women with a college degree have an average expectancy of 83.9 years.

FORBES: Why Are Some Americans Living Shorter Lives Than Others?

Although the average life expectancy for a 65-year old man is 85 and 88 for a woman, your life expectancy may not be average.

FORBES: Are You Overlooking A Life And Death Factor In Your Retirement Planning?

The study found Hart residents can expect to live longer than the average Briton, with the average life expectancy at 81.7 years for men, compared to the national average of 79.

BBC: Hart in Hampshire remains UK's most desirable place