treasury-bondCOCA²⁵⁴³³⁷⁺⁶BNC²³⁶²¹³⁺¹ 基本例句 na.美国的长期国库券；🌏公债 Indeed, with the Fed committed to keeping rates close to zero, Treasury-bond yields are astonishingly low by historic standards. 事实上，伴随美联储承诺将利率维持在近乎零的水准后，以历史标准来看，国库券的收益率都是惊人的低。 ecocn Treasury-bond yields fell on the news. 国库券收益因降级消息而下跌。 ecocn