Think about the motor industry, the motor car industry.

比如汽车产业在汽车产业里
Ford has to worry about what GM is doing and what Toyota is doing,

福特关注通用和丰田的行为
and for the moment at least

现在可能暂时
what Chrysler is doing but perhaps not for long.

还得关注克莱斯勒的行为
So there's a small number of firms and their actions affect each other.

少数几家公司的决策会互相影响
So for a literal definition of what strategic means:

策略形势书面定义是
it's a setting where the outcomes that affect you depend on actions,

行为影响结果然而结果不仅
not just on your own actions, but on actions of others.

取决于你的行为还取决于其他人的行为
All right, that's as much as I'm going to say for preview right now.

好了暂时就先介绍这么多
We're going to come back and see plenty of this

通过学习本学期的课程
over the course of the next semester.

你们会接触更多类似案例
So what I want to do is get on to where this applies.

下面我们讲讲博弈论适用于什么领域