bond expenses

例句：

1. 1. The company's bond expenses have increased significantly since the last financial year.
   该公司的债券费用自上一财政年度以来显著增加。
2. 2. The bond market is highly volatile, and bond expenses can be a significant factor in investment returns.
   债券市场波动性很高，债券费用是投资回报的一个重要因素。
3. 3. Bond investors are concerned about the rising bond expenses as interest rates rise.
   随着利率上升，债券投资者担心债券费用的增加。