Railroad bond

例句：

1. 1. The railroadcompany issued a new bond to raise fundsfor its expansion project.
   铁路公司发行了新债券以筹集资金用于其扩张项目。
2. 2.The railroad bond market is highly volatile, with prices fluctuating significantly.
   铁路债券市场波动性极高，价格大幅波动。
3. 3. Investors are cautious about investing inrailroad bonds due to the high risk associatedwith them.
   由于与它们相关的高风险，投资者对投资铁路债券持谨慎态度。