“There is still no cure for the common birthday,” former US astronaut and senator John Glenn is said to have once uttered. Glenn was the first American to orbit the earth in 1962 and decades later became the oldest person to fly in space, boarding the space shuttle Discovery in 1998 at 77 years of age.
“目前还没什么好招应对人口老龄化，”美国前宇航员、参议员约翰•格伦(John Glenn)据说曾这么说过。格伦1962年成为首位绕地球飞行的美国人，几十年后的1998年，他77岁时乘坐“发现号”航天飞机(Discovery)升空，成为遨游太空最年长的人。
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