基本解釋[經(jīng)濟(jì)學(xué)]保本產(chǎn)品詞組短語短語haha capital preservation product 保本產(chǎn)品capital preservation product更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)保本產(chǎn)品