She says now every home has a phone,TV,fridge and washing machine, but before the '80s these were much rarer.

VOA: standard.2009.09.28

Now admittedly,dying as a joint undertaking is far rarer than dying alone.

无可否认共同死亡比单独死亡少见得多。

耶鲁公开课 - 死亡课程节选

And then, we'll even discuss some rarer cases like Capgras syndrome.

下面,我们将讨论一些更加罕见的例子,比如卡普格拉综合征

耶鲁公开课 - 心理学导论课程节选

Of course,the belief,I am Napoleon is a much rarer belief.

当然了，我是拿破仑这个信念更罕见。

耶鲁公开课 - 死亡课程节选