Factory bosses in many developed countries are worried about a lack of skilled human workers—and see automation and robots as a solution.

许多发达国家的工厂老板担心会缺少熟练的人类劳动者，并将自动化和机器人视为解决方案。

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Controlling traffic is a complex and high cost problem in many developed countries.

交通控制在许多发达国家都是一项复杂和成本高昂的难题。

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In many developed countries, 70% to 80% of the population has used some form of alternative or complementary medicine (e.g. acupuncture).

在许多发达国家，70% - 80%的人口使用某种形式的替代或补充医学(例如针灸)。

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Turnout at elections is higher than in many developed countries and it is the poor who vote in large numbers.

ECONOMIST: Democracy and growth are not in competition

Unemployment in many developed countries remains high despite the hundreds of thousands of high-skilled open positions that companies struggle to fill.

FORBES: Throw Out Your Plans for 2013. Business Is a Journey.

This has led to an improved understanding of the causes and effects, and has provided an impetus for new environmental legislation and strategies for remediation in many developed countries.

UNESCO: EARTH SCIENCES FOR SOCIETY