名词短语
中文翻译：投资
同义词：
['investment', 'investment activities', "investment behavior例句：1. The company's under investments have been a majorsource of revenue for the past year.（该公司的投资活动在过去一年内一直是主要的收入来源。）"]
例句：
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1. The company's under investments have been a majorsource of revenue for the past year.
该公司的投资活动在过去一年内一直是主要的收入来源。
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2. Thegovernment is investing heavily in renewable energy toreduce its carbon footprint.
政府正在大力投资可再生能源，以减少其碳足迹。
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3. The underinvestments are expected to generate significant returns inthe next few years.
预计这些投资在未来几年将产生显著的回报。