Big banks using the IRB approach would updating their risk calculations second by second, laying off assets that tied up a lot of capital and adding ones that tied up much less.是什么意思_Big banks using the IRB approach would updating their risk calculations second by second, laying off assets that tied up a lot of capital and adding ones that tied up much less.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句