treasury bond

例句：

1. 1. The government has issued a new treasury bond to raise funds for infrastructure projects.
   政府发行了新的国库券，以筹集资金用于基础设施项目。
2. 2.Treasury bonds are considered safe investments due to their government backing.
   由于政府背书，国库券被认为是安全的投资。
3. 3.Investors often prefer to hold treasury bonds over other types of bonds due to their low risk and high returns.
   投资者通常更喜欢持有国库券而不是其他类型的债券，因为其低风险和高回报。