So we're going to look at a case, I'll use a new board, where products are differentiated.
因此我们将看到一种情况,我要用一块新黑板,产品是有差异的
So we're going to look at what are called differentiated products.
那么我们来看一下什么叫,差异型产品
The way we're going to model differentiated products is to imagine, just to take a simple example, imagine a city and this city has one long straight road through it.
我们建立差异产品模型的方法,想象一下,举个简单的例子,想象一个被一条直路贯穿的城市
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