This second chimpanzee is not a relative of the first chimpanzee and they've never seen each other before.

这只黑猩猩跟第一只黑猩猩,没有血缘关系,它们以前也从来没见过面。

耶鲁公开课 - 心理学导论课程节选

In the second case, if both firms undercut each other, you end up with low prices, that's actually good for consumers but bad for firms.

在第二个案例中,如果两家企业互相削弱,最终会压低价格,这对消费者有利,但对企业不利

耶鲁公开课 - 博弈论课程节选