That company has a perfectly elastic demand curve.

该公司有一条完全弹性的需求曲线。

What sort of demand curve is that?

这反映了什么样的需求曲线呢?

The demand curve of schoolbook is two, is not.

教科书的需求曲线是两条，而不是一条。

Each firm will face a downward - sloping demand curve.

每一家企业都将面临需求曲线的下滑。

The demand curve faced by them is typically non-linear.

非完全竞争厂商所面临的需求曲线通常是非线性的。