They are the first women ever hired to officiate in a men's professional sport.

她们是有史以来首批受聘担任职业男子比赛裁判的女性。

《柯林斯英汉双解大词典》

The market for talent in both banking and professional sport is fairly transparent (at least to the participants) and fairly efficient. Both are meritocratic.

银行和职业足球的人才市场都是相当透明的（至少对参与者来说），也是相当有效率的。

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It was the only professional sport with no coaches or rule-books, where each climber planned his tactics himself.

徒手攀岩是一项唯有的专业运动，没有教练、没有教规、每个攀登者运筹帷幄全凭自己。

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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

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

VOA: special.2009.03.29

Tournament director Michalak says wherever it stared, the sport is now governed by the Professional Disc Golf Association, which includes countries like Finland, France, Germany, and Spain.

VOA: standard.2010.08.03

In fact, the NBA has supporting facts for the conclusion that it is now the second most popular professional sport in the world, right behind what Americans call soccer.

FORBES: Oprah Winfrey And The NBA

Under the leadership of Weisel, who invested large sums of his personal fortune, the United States Postal Service team became the most dominant and important team in the sport of professional bike racing.

WSJ: New Twist in Armstrong Saga

"Our new stadium will be something that everyone in the city of Cardiff will be proud of, and this agreement ensures that professional sport within the city and indeed far beyond can be seen to be prospering side by side, " said Ridsdale.

BBC: Cardiff teams agree ground share