As young players prepare to begin their professional careers in the sport, one important person in American football announced his retirement.

VOA: special.2009.05.01

Talib, who's a Wall Street professional, talks about these black swans as being the real story of finance.

华尔街的专家塔利博,用金融界的真实案例讨论黑天鹅现象

耶鲁公开课 - 金融市场课程节选

People are already shaking their heads over me and any immediate God further professional use on my part of the word "God" except as a familiar, healthy American expletive will be taken or rather confirmed as the very worst kind of name dropping and a sure sign that I'm going straight to the dogs.

人们经常对我表示不同意，以及对,我一用那个字“,除非作为熟悉的健康的美式感叹词或咒骂词时,它们会被认为是最差的名字,也肯定是我向那些狗前进的标志。

耶鲁公开课 - 1945年后的美国小说课程节选

He earned a little money by serving as a model to artists who could not pay for a professional model.

VOA: special.2009.08.01

A woman dressed like a young professional sits behind him, listening as a witness is questioned.

VOA: special.2009.08.31

But the successful singer's personal life was as dark as his professional career was bright.

VOA: special.2009.08.21

He says this advice is for professional writers as well as school children writing papers.

VOA: special.2009.10.12

The organization was successful in making women's golf recognized as a serious professional sport.

VOA: special.2009.03.29

He started as a professional football player.

VOA: special.2009.05.01

"Walt Disney during his lifetime received 932 awards for his service to mankind as well as his professional achievements.

VOA: standard.2010.02.26

"As I drive around here in the evenings going to meetings, I see them at checkpoints doing a very professional job,"

VOA: standard.2009.08.06

Sarah Polley co-stars as Elsa, whose professional and personal relationship with Clive and their creation affects her scientific judgment.

VOA: standard.2010.06.09

Garcia is a Cuban immigrant who opened his pilates exercise studio in November in an upscale neighborhood after retiring as a professional ballet dancer.

VOA: standard.2010.05.06

(OMITTED) Amateur prizes consist of trophies and merchandise, while professional purses can run as high as $2,500 or more at events like the world championships.

VOA: standard.2010.08.03

So far attacks in the U.S. - at least those that are publicly known -- have been thwarted by heightened security awareness and increased counterterrorism measures from the U.S.side, as well as by both bad luck and professional incompetence on the terrorists' part.

VOA: standard.2010.05.05