indifferent curve

• 无差异曲线

indifferent curve的用法和样例：

例句

1. An indifference curve is usually assumed to be convex.
   无差异曲线通常呈凸形。
2. 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。