You need to be well-versed in both the business and the data.

FORBES: "Big Data" Often Isn't Really, Says Bain

Poets must be well-versed in the Greek Cypriot dialect, possess adequate knowledge of the popular poetry of Cyprus and the ability to retrieve existing, well-known Tsiattista and, above all, must be able to improvise a new couplet on a specific theme within very strict time constraints and be able to respond to his or her opponent.

UNESCO: Tsiattista poetic duelling

In addition to his expertise in bomb-making, Mr Asiri is also said to be an expert in preparing poisons and well-versed in martial arts.

BBC: Profile: Al-Qaeda 'bomb maker' Ibrahim al-Asiri

" Zilke says auto technicians face components repairs "virtually unheard of a generation ago, " and need to be "master diagnosticians well-versed in electronics.

FORBES

They have to be Swiss citizens and well-versed in finance.

ECONOMIST: The Swiss National Bank

Because of the 2012 Summer Olympics, the country will be well-versed and experienced by 2018 in handling a modern-day, large scale event.

FORBES: Blatter Control: FIFA's Financially Illogical World Cup Site Selections

Sure they will put HD DVD on the front of weekly ad with the rest of the inexpensive products, but when you get in the store they will be well versed in the merits of Blu-ray.

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