...补品 Perfect Complements 无差异曲线的特例B: 例如:眼镜片 例如:眼镜架 三、预算线( 三、预算线(budget line budget line): ): 1.定义: 表示在消费者收入和商品价格给定条件下, 消费者所能购买的不同商品组合的集合。
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President Obama is walking a fine line in his 2011 budget.
VOA: standard.2010.02.01
The budget constraint is a straight line through this point with a slope of .
这个预算限制在这幅图上是一条,是一条经过该点并以为斜率的直线
"Already we have identified substantial savings, and in the days and weeks ahead, we will continue going through the budget, line by line, and we will identify more than 100 programs that will be cut or eliminated,".
VOA: standard.2009.04.25
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