I ventured the idea that the secret of staying young was to mix with older people.

我大胆地提出这样一个观点，即保持年轻的秘诀是和比自己年长的人交往。

《柯林斯英汉双解大词典》

Though he didn't come from a farming family, from a young age Tim Joseph was fascinated by the idea of living off the land.

尽管提姆·约瑟夫不是农民出身，但他从小就对靠土地为生的想法着迷。

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The idea was that trapped greenhouse gases in the atmospheres of Earth and Mars might have caused temperatures to raise enough to compensate for the low heat the young Sun provided.

这个理论就是：在地球和火星的大气层里有足够的温室气体，来帮助提升温度，从而弥补了早期的太阳提供的较低的热量。

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In two thousand seven, five young people in the American state of Massachusetts developed an idea.

VOA: special.2009.02.02

Some educators and parents do not like the idea of sending students as young as sixteen off to college, before they may be socially ready.

VOA: special.2010.02.25

He got the idea for Khan Academy four years ago, when he taught a young cousin how to convert kilograms to grams.

VOA: standard.2010.03.26

"Let's be honest, I think it's the younger generation who like the idea of a vertical pier and the not-so-young generation who like the idea of a traditional pier, " Mr Dunning said.

BBC: Dreaming of a new pier for Redcar

Pursuing the idea that young people must benefit simultaneously from competences and opportunities allowing them to engage as true actors of change for peace and sustainable development, UNESCO is striving to help them achieve and exercise their rights, to participate fully in decisions, policies and programs, which include among others: employment, citizenship, education and learning about cultural and public life.

UNESCO: MEDIA SERVICES

Although he understands that not being able to buy fireworks or place a bet until you are 18 (although 16 for the lottery) reduces the dangers to which young people are exposed, Greer says the idea of maturity is "incredibly arbitrary".

BBC: The strange status of 16-year-olds