corporate bills的用法和樣例：
例句
- Since bank bonds are a quarter of US investment-grade corporate bonds, the risk of panic is real.
由於銀行債券佔美國投資級別公司債的四分之一，恐慌的風險真實存在。 - We compute the static spread on a callable corporate bond relative to the Treasury spot curve.
相對於司庫零息票利率曲線我們計算一個可贖回公司債。
