And alcohol drinking is rare in many parts of the world, including Muslim countries and India.

VOA: special.2009.09.08

So Roman slavery and the freedom of that was actually one way that a few people in the Ancient World recognized some kind of social mobility, which was very rare in the Roman Empire.

所以罗马奴隶制以及奴隶释放制,被古代部分人认为是,某种社会阶级流动，在罗马帝国很少见。

耶鲁公开课 - 新约课程节选

But if we look at the society that emerges, this Dark Age society that emerges from the ancient world of Mycenae, what you have is a rare human experience.

如果我们仔细观察这渐渐浮出水面的社会,这个从古代迈锡尼文明浮现出来的,黑暗时代的社会,你会得到一些相当宝贵的经验

耶鲁公开课 - 古希腊历史简介课程节选

Japan is the world's biggest importer of rare earths.

VOA: special.2010.10.08

You have a full monarchy in the sense that both-- we in America talk about the separation of church and state, that is a very rare and unusual thing in the history of the world.

他有一个完全政教合一的君主政权,在美国政教是分离的,这在世界历史上很少见

耶鲁公开课 - 古希腊历史简介课程节选

"It is somewhat rare,". "We do work in many sensitive parts of the world and we are in more than 140 countries.

VOA: standard.2009.09.06