1、Because the demand curve slopes downward, the marginal revenue curve lies below it.
因為需求弧口曲線向下，所以邊緣收益曲線在它下面。

2、The demand curve of schoolbook is two, is not.
教科書的需求曲線是兩條，而不是一條。

3、Calculated as the area under the demand curve which lies above the price.
計算為在價格之上需求曲線之下的區(qū)域。

4、What sort of demand curve is that?
這反映了什么樣的需求曲線呢？

5、Explain how buyers' willingness to pay, consumer surplus, and the demand curve are related.
解釋買者的支付意愿，消費(fèi)者剩余和需求曲線之間如何關(guān)聯(lián)。

6、The demand curve is thus an equilateral hyperbola.
因此需求曲線是等軸雙曲線。

demand curve翻譯