indifference curve造句

1、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。

2、The indifference curve had no curvature at all.
无差异曲线根本没有弯度。

3、An indifference curve is usually assumed to be convex.
无差异曲线通常呈凸形。