基本解釋[經(jīng)濟學(xué)]縂括保險証保險詞組短語短語blanket fidelity bond insurance 縂括忠誠保証保險commercial blanket bond insurance 商業(yè)縂括保証保險blanket bond insurance更多詞組專業(yè)釋義經(jīng)濟學(xué)縂括保險証保險