A center may pertain-to the (world economy).Logical formLearned from34 sentences. A center may pertain-to citizens.Logical formLearned from34 sentences. An (exhibition center) can be international.Logical formLearned from34 sentences. (Research centers) can be specialized.Logical formLearned from34 sentences. A status can be as an international financial center.Logical formLearned from34 sentences. Director may pertain-to a (career center).Logical formLearned from34 sentences. A center may pertain-to a financial district.Logical formLearned from34 sentences. A center may pertain-to a spot.Logical formLearned from34 sentences. A center can be constituted-of-or-filled-with social life.Logical formLearned from34 sentences. A portion may pertain-to a center.Logical formLearned from34 sentences. A system can be constituted-of-or-filled-with centers.Logical formLearned from34 sentences. A (training center) may pertain-to a world-city.Logical formLearned from34 sentences. A center can be for leadership.Logical formLearned from34 sentences. A center may pertain-to a surface.Logical formLearned from34 sentences. A (tourist center) can be popular.Logical formLearned from34 sentences.