yield curve

例句：

1. 1.The yield curve is a graph showing the relationship between interest rates and economic activity.
   供给曲线是显示利率和经济活动之间关系的图表。
2. 2.The yield curve has shifted, indicating a change in monetary policy.
   供给曲线已经移动，表明货币政策发生了变化。
3. 3. The yield curve is used to predict future interest rates.
   供给曲线被用来预测未来的利率。