Against a backdrop of drastic changes in economy and population structure, younger Americans are drawing a new 21st-century road map to success, a latest poll has found.

一项最新民调发现，在经济和人口结构发生巨变的背景下，美国的年轻一代正在绘制一幅21世纪通向成功的地图。

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That next stage consists of the definition and population of the initial portfolio structure for the organization.

下一个阶段包括对于组织的最初项目组合结构的定义和填充。

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Such a policy distorts the age structure: the proportion of population in the younger age groups goes down and proportion of the elderly increases.

这样一项政策改变了年龄结构：年轻人的人口比例下降，而老年人的比例增长。

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Central to this plan is a call for further research into the sharks' population structure and migratory movements, and how ecotourist activities might affect their behaviour.

ECONOMIST: Whale sharks

For example, the model of social brainstorming, also referred to as ideagoras or idea management, you create an open online system to involve all the people that you may like to draw from a specific target population, provide some topics to structure discussion and then allow them to debate, rate and rank the best ideas.

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Northwestern Europe's new social and economic structure consigned the vast majority of the population to miserably impoverished lives.

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