The cost increase of target group analyses 4 quadrant that frame fastens by a coordinate to form, among them ordinate represents cost, the abscissa represents an increase.
目标群体的成本利益分析框架由一个坐标系的四个象限构成，其中纵坐标代表成本，横坐标代表利益。
The cost increase of target group analyses 4 quadrant that frame fastens by a coordinate to form, among them ordinate represents cost, the abscissa represents an increase.
目标群体的成本利益分析框架由一个坐标系的四个象限构成，其中纵坐标代表成本，横坐标代表利益。
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