常見(jiàn)例句雙語(yǔ)例句Irving Fisher also drew on the curve a production possibility frontier for society, which he made downward-curved.歐文·費(fèi)雪還畫了一條曲線,代表了社會(huì)的生產(chǎn)可能性邊界PPF,這是一條向下的曲線原聲例句Irving Fisher also drew on the curve a production possibility frontier for society, which he made downward-curved.歐文·費(fèi)雪還畫了一條曲線,代表了社會(huì)的生產(chǎn)可能性邊界PPF,這是一條向下的曲線耶魯公開(kāi)課 - 金融市場(chǎng)課程節(jié)選 返回 production-possibility frontier