The United States Library of Congress appoints an official poet, called the Poet Laureate, every one to two years.

VOA: special.2010.04.05

One diet that gets discussed a fair amount, but mainly in recent years, is something called the Mediterranean Diet, and I'd like to discuss this for two reasons.

近几年有一种饮食法,引起了相当多的讨论,那就是地中海式饮食,我认为有两点原因值得我们探讨

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

you can do a thing called A Levels, which is two years in college.

你就可以得到A等级，你可以在大学读两年。

英国的高考 - SpeakingMax英语口语达人

" It's the sequel to a film we had made two years ago called "Sarkar.

CNN: Interview with Abhishek Bachchan

He said he voluntarily spoke to police in Tenerife and was allowed to fly home, and two years later was called to Spanish court to simply give his version of events.

BBC: Darren Sapstead

"It's part of a buddy-system and works both ways, about two years ago we were called on to do the same for them, " he said.

BBC: Communications problem at NI ambulance service resolved