第二个为：解释非法和合法药物为何会成为价格缺乏弹性的例子和原因。两个作业都有画图要求 Illicit and legal drugs could be classed as both equally elastic and inelastic solutions simply because for a few there can be near substitutes observed. Therefore they're not needed just as much and persons are not dependent on just the one particular distinct products. Attract a demand curve illustr... https://bookmark-rss.com/story12783042/what-does-%E7%BE%8E%E5%9B%BDassignment%E4%BB%A3%E5%86%99-mean