As we walk through these examples, notice that ROI is an equation with two variables.
当我们讨论这三个例子的时候,请注意roi是一个拥有两个可变因素的等式。
Work through these examples carefully and then try to do the composition exercises in the same way.
仔细研究以下例题,然后用同样的方式完成作文练习。
Through these examples we can move from the most elementary problems in economics to the most complex and difficult.
我们会利用经济生活中的实例,从经济学中最基本的问题讲起,一直讲到最复杂最艰深的问题。
应用推荐