During the decades of scant contact with foreign colleagues, Russian mathematicians, for political reasons that Borjas and Doran explain, concentrated on certain fields that tended to get much less attention in the West.
The young founder explains, "We concentrate on ease and naturalness of use, instead of the power of analytics".
"Plot or character?" asked the friend, clearly a precocious reader of old-school literary criticism; writers, he explained, had to concentrate on one or the other.
For adolescents (15 16 years), a three-step model, comprising Depressive symptoms, Sleep problems and Difficulty concentrating, explained 32% of the variance in HRQoL.
Clean water and hygiene practices prevent them from falling sick and increase their ability to concentrate," explained the Executive Director of the Belgian National Committee for UNICEF, Yves Willemot, who accompanied Mr. Demotte on the delegation that visited Mbimi.
The more purely philosophical approach to explaining delusions concentrates on the role the delusion plays in the subject's mental life, as understood in terms of some theories in philosophy of mind.
Instead, the prime minister concentrated on explaining why he thinks cuts are so essential.
Despite my limited capabilities as a writer - I have resigned myself to a lifetime of practise - I have concentrated on explaining the pressures and concerns of the men I have been attached to.
Economists have concentrated on explaining the increase in the "skill premium", measured in most studies by the ratio of the pay of workers with college degrees to that of high-school graduates.
The shortage of anti-Christmas atrocities (plus the fact that the U.N. fanatics long ago switched to subverting Halloween) may explain why he has concentrated on department stores, many of which, in their ads or via their salespeople, wish people "Happy Holidays" instead of — or in addition to, or more frequently than — "Merry Christmas".
