我们需要向这个文件添加一个东西为类实例级授权扩展策略定义：一个与许可权语句相关的可选关系参数。

We need to add one thing to this file to extend the policy definition for class instance-level authorization: an optional relationship parameter associated with a permission statement.

youdao

不用为策略创建义务，因为它们是可选的。

You don't create the obligations for the policy, as they are optional.

youdao

我们在这个许可权语句的末尾添加一个可选的关系参数来完成策略定义。

We add the optional relationship parameter to the end of this permission statement to complete the policy definition. Here's the format for the new permission statement

youdao

So the players in this game are two firms and the strategies in this game for the firms and this is going to turn out to be important the strategies are the quantities that they produce of an identical product.

这个博弈的参与人是两家公司,他们的可选策略如下,以后你会知道这是多么重要,策略是,某种同质商品的产量

耶鲁公开课 - 博弈论课程节选

Player II has three choices, this game is not symmetric, so they have different number of choices, that's fine.

参与人II有三种选择,这个博弈不是对称的,所以他们可选策略数量不同,这无所谓

耶鲁公开课 - 博弈论课程节选

If I'm careful I should get this right 1, 2, 3, and 4 are the possible choices for Player I.

我好好画一下,这样会准确点,参与人I的可选策略从1一直到4

耶鲁公开课 - 博弈论课程节选