As the value falls the quantity demanded will maximize right up until the market reaches a whole new equilibrium concerning demand and supply at Q1 and P2 where there isn't any more tendency to vary. 具体价格：请联系客服咨询（根据您的作业论文难易程度、相关要求和科目而定，详情请咨询客服） 每次选择都是一次超越，否则就不要选择；每次放弃都是一次升华，否则就不要放弃。人生最大的乐趣在于通过... https://bookmarkilo.com/story12704409/%E8%8B%B1%E6%96%87%E8%AE%BA%E6%96%87%E4%BB%A3%E5%86%99-an-overview