They actually have a continuum of strategies.

实际上他们的策略是连续的
www.YYeTs.net

人人影视
For those people who aren't familiar with this

那些没有涉足过这些知识的同学
and are worried about the economics of it in particular,

或者经济学学得不太好的同学
it's gone over in considerable detail in chapter 6 of the textbook.

回去看看教材第六章有详细解释的
So just to motivate this a little bit,

所以各位不必担心学不会了
so there's two reasons why this game is interesting.

这个博弈之所以有趣有两个原因
This is a game in which there are two firms

它讲的是在同一个市场中
who are competing in the same market,

只有两家公司互相竞争
and we'll give a bit more detail in a second.

稍后我会给出更多的细节
One reason this game is interesting from the point of view of economics,

从经济学角度看这之所以有趣
is this game lies between the two extreme cases that

是因为这个博弈介于