Its medieval Old Town has been recognized by UNESCO as unique in East Africa.

VOA: standard.2009.12.14

The role of Paris in French life is unique and that has been accentuated over the centuries, particularly the last century and a half, by some of the things that I want to talk about.

巴黎在法国人的生活中的地位是独特的,过去几百年中,这种状况引人瞩目,尤其在近一百五十年里,我想讲的正是关于这方面的内容

耶鲁公开课 - 1871年后的法国课程节选

This has been a unique career,".

VOA: standard.2009.08.26