名词
中文翻译：公债
同义词：
['government bond', 'government obligation', 'public debt']
例句：
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1.The country's public officials have been criticized for their lack of transparency.
该国的公职人员因缺乏透明度而受到批评。
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2. The government has issued a new series of public official bonds to finance the construction project.
政府已发行新的一批公债，以资助建设项目。
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3. Investors are cautious about buying public official bonds due to the high risk involved.
由于涉及高风险，投资者对购买公债持谨慎态度。