至于葱，在上次圣诞节前后我去印度时，发现需求曲线实际上是向下倾斜的。
As for Onions, I noticed on my last trip to India around Christmas that the demand curve was, indeed, downward sloping.
根据其定义，垄断者所面对的需求曲线(即是行业的需求曲线)是向下倾斜的。
By definition, the demand curve facing the monopolist is the industry demand curve which is downward sloping.
在垄断市场，需求曲线向下倾斜，这被称为行业需求曲线。
In a monopoly market the demand curve slopes downward which is known as the industry demand curve.
在垄断市场，需求曲线向下倾斜，这被称为行业需求曲线。
In a monopoly market the demand curve slopes downward which is known as the industry demand curve.
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