The mounting level of debt in the industrialised world is prompting a growing number of investors to use the derivatives market to bet on the chance of rich governments defaulting on bonds.是什么意思_The mounting level of debt in the industrialised world is prompting a growing number of investors to use the derivatives market to bet on the chance of rich governments defaulting on bonds.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句