It tells me the other way around to look at how prices correspond to quantities, it tells me the quantity demanded at any given price.

它直观的显示出,价格如何与产量对应,即在给定的价格上需求量是多少

耶鲁公开课 - 博弈论课程节选

And let me use a big Q to be the total quantity produced-- sorry--the total quantity demanded in the market.

用Q代表总产量,对不起,是市场总需求量

耶鲁公开课 - 博弈论课程节选