名词
中文翻译：发展努力
同义词：
['developmental effort', 'developmental endeavor']
例句：
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1. The government has made significant progress in the development of renewable energy sources.
政府在可再生能源的开发方面取得了重大进展。
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2. The company is investing heavily in research and development efforts to improve its products.
该公司正在大力投资于研发努力，以改进其产品。
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3. The project requires a substantial development effort to achieve its goals.
该项目需要大量的开发努力才能实现其目标。