<span><span style、" font-family: 宋体;">利率越低则社会平均利润率越高</span></span>
<span><span style、" font-family: 宋体;">社会平均利润率越高则利率越低</span></span>
<span><span style、" font-family: 宋体;">社会平均利润率越高则利率越高</span></span>
<span><span style、"font-family: 宋体;">利率越高则社会平均利润率越高</span></span>