As they work through the seven ages of man, their thoughts may increasingly turn to the dependence, indignity and pain that afflict so many at the end of their lives.

随着熬过了七年，他们的想法可能会逐渐转向在生命的末端令其备受折磨的不自主、无尊严和痛苦。

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The ancient astrologers believed that the universe was governed by seven planets; students of Shakespeare will recall that the life of man was divided into seven ages.

古代占星家认为宇宙由七颗行星统治；学过莎士比亚的人会记得，人的一生被分为七个时代。

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To condense his subject into manageable chunks, Mr Winchester uses Shakespeare's seven ages of man as a structure: the infant is a metaphor for man's first interest in the ocean, the schoolboy represents its exploration, and so on.

ECONOMIST: The Atlantic Ocean

When they looked at correlations between a man's income and his height at the ages of seven, 11 and 16, as well as his adult height, Dr Persico and his colleagues found that all of the effect of height on income was actually attributable to height at the age of 16.

ECONOMIST: Why it pays to be a lanky teenager