A move can be to a center.Logical formLearned from51 sentences. A center can be attractive.Logical formLearned from51 sentences. Head may pertain-to a (research center).Logical formLearned from50 sentences. A center may collect.Logical formLearned from50 sentences. A (development center) can be in a world-city.Logical formLearned from50 sentences. A status can be as a center.Logical formLearned from50 sentences. A center may pertain-to visitor.Logical formLearned from50 sentences. A center may pertain-to a (slave trade).Logical formLearned from50 sentences. Some centers may be outsourced to areas.Logical formLearned from50 sentences. Some centers may handle (customer questions).Logical formLearned from50 sentences. A center can be miles.Logical formLearned from50 sentences. A center can be magnetic.Logical formLearned from50 sentences. Centers can be in an area.Logical formLearned from50 sentences. A (command center) may pertain-to a person.Logical formLearned from50 sentences. (Data centers) can be secure.Logical formLearned from50 sentences.