The central problem in Angola is the complete lack of transparency.
The central problem in the U.S.-China relationship right now is mutual mistrust.
That's been the central problem in Afro-American affairs since the black-power-cum-Marxist vision took over the discussion.
Both of us had decided, quite independently of each other, that the central problem in molecular biology was the chemical structure of the gene".
Fundamentally, these new rules do not address the central problem in the housing market, acknowledged recently by Carney, that the UK does not build enough homes.
Setting out where he believes the party needs to go in the next decade, he says: "Marx was right – alienation is a central problem in modern society.
Those attacks on livestock are the central problem in any resurgence of predators, and it is those attacks that Dr. Treves has been studying.
This is a central problem in most medical treatment: patients are known and treated as totally separate from the families in which they live.
Path planning has become a central problem in motion planning.
Graphical model processing is a central problem in artificial intelligence.
Protein folding is a central problem in biological physics.
