1. He seldom gainsays her, my dear
她的能力是没有话可说。
2. The Economics of Keynes which gainsays neo-classic economics theory of interest rate, thinks that consumption and deposit has nothing to do with interest rate, and interest rate has not evident effect on adjusting economy.
内容提要凯恩斯学派否定了新古典学派的利率理论，认为消费和储蓄与利率无关，且利率调节经济作用不大。