Burns notes that, overall, health and life expectancy in Glasgow have improved over the past 30 years.

Burns注意到，过去30年中，格拉斯哥的健康问题和预期寿命在整体上均有改观。

youdao

The average U. S. life expectancy is now age 78, up 30 years since 1900 and up 10 years since 1950, according to the Census Bureau.

美国人口普查局的数据显示，美国人现在的平均寿命是78岁，比1900年的平均寿命长30年，比1950年长10年。

youdao

In the 20th century, life expectancy in wealthy nations increased by as much as 30 years.

VOA: standard.2010.04.08

Since life expectancy has leapt by nearly 30 years since the war, to 82 on average, then the minimum age for pensions should be raised swiftly at least to 67 and preferably to 70.

ECONOMIST: Greying Japan

During that time average life expectancy increased from 30 to almost 46 years from the time of diagnosis, according to the data, reported in the BMJ.

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Botswana, the world's hardest hit country, is watching life-expectancy sink back to levels last seen 30 years ago.

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