用作名词 (n.)
- An indifference curve is usually assumed to be convex.
无差异曲线通常呈凸形。
- We come now to the really remarkable thing about indifference curves.
我们现在开始接触到值得引起注意的无差异曲线。
- The indifference curve may be compared with a contour line on a map.
无差别曲线可以与地图上的等高线相比拟。
