图5.1（b）中的供给曲线的负斜率部分就是通常所谓的“向后弯曲”的供给曲线；

The negatively sloped portion of a supply curve like that in Figure 5.1(b) is frequently referred to as a "backward-bending" supply curve;

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图5.1（b）中的供给曲线的负斜率部分就是通常所谓的“向后弯曲”的供给曲线；

The negatively sloped portion of a supply curve like that in Figure 5.1(b) is frequently referred to as a "backward-bending" supply curve;

youdao