名词
中文翻译：发达国家
同义词：
['developed countries', 'advanced nations', 'industrialized nations']
例句：
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1. Thedeveloped nations have a higher standard of living compared to the developing ones.
发达国家与发展中国家相比，生活水平更高。
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2. The developed nations are more likely to invest in education and healthcare.
发达国家更有可能投资于教育和医疗保健。
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3.The developing nations need more resources to improve their infrastructure.
发展中国家需要更多的资源来改善其基础设施。