基本解釋完全彈性的需求英漢例句雙語例句Linear demand curves, except for those that are perfectly vertical or horizontal, have points on them that range from elastic to inelastic and one piont that is unit elastic.要不是那些完全垂直或水平的線性需求曲線對點他們該範(fàn)圍從無彈性，彈性和是彈性的單位的一個點。perfectly elastic demand更多例句