词爹早安双语阅读：全球老龄化global ageingGlobal ageing
全球老龄化
A billion shades of grey
十亿银发族
An ageing economy will be a slower and more unequal one—unless policy starts changing now
一个老龄化的经济体会发展地越来越缓慢，且社会不平等加剧—除非现在就开始政策改革
WARREN BUFFETT, who on May 3rd hosts the folksy extravaganza that is Berkshire Hathaway's annual shareholders' meeting, is an icon of American capitalism. At 83, he also epitomises a striking demographic trend: for highly skilled people to go on working well into what was once thought to be old age. Acr