Отпуск в холодных странах стал новой роскошью. Почему пляжные курорты теряют популярность?

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蓋茨基金會在聲明中表示:「比爾坦率地發言,詳細回答了多個問題。」

There is a special form for boolean formulas called "Conjunctive Normal Form" (CNF). A problem in this form consists of clauses connected with and operators, where each clause only contains variables connected with or operators. The variables can appear negated, but only variables can be directly negated, something like !(a && b) is not allowed. An example boolean formula in CNF form is:

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Embarrassing defeat for UK's Starmer as Greens seize Labour stronghold

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