I'm not really allowed to do this on this model,

我实际上并没有权利在这个模型中这么做
the one thing I can't do is,

我不能做的是
part of the truth is that Bud Light might be down here somewhere

起码百威淡啤酒应该在这上的某个位置
but I'm not allowed to do that.

但我没权利这么做
So leaving aside the specific example of beer,

把啤酒的例子放在一边
you think about some product that has some dimension

你们自己想一些在某种程度上
on which it varies,

有所不同的产品
and we can use this model to see how competition is

我们使用这个模型来研究
going to work in that market.

这个市场的竞争是怎样的
But now notice that this transport cost is going to be

但是注意原先的交通成本将有
a different interpretation.

不同的解释
Now, instead of being the cost of traveling that

不是走一定距离