名词
中文翻译：人类投资
同义词：
['human capital', 'human resources', 'human capital investment']
例句：
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1. The company isinvesting heavily in research and development to stay ahead of the competition.
该公司正在大力投资研发，以保持竞争优势。
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2. The government has invested billions in infrastructure projects to improve public services.
政府已投入数十亿资金用于基础设施项目，以改善公共服务。
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3.The investment will provide a significant boost to the local economy.
这项投资将为当地经济带来显著提振。