基本解釋[經(jīng)濟(jì)學(xué)]杠桿作用假說(shuō)詞組短語(yǔ)短語(yǔ)Optimal Leverage Ratio Hypothesis 杠桿比率假說(shuō)The Leverage Hypothesis 杠桿假說(shuō)leverage hypothesis更多詞組專(zhuān)業(yè)釋義經(jīng)濟(jì)學(xué)杠桿作用假說(shuō)