A (wealth gap) can be between urban areas.Logical formLearned from13 sentences. An urban sprawl can be bleak.Logical formLearned from13 sentences. A summit can be urban.Logical formLearned from13 sentences. A (transportation network) can be urban.Logical formLearned from12 sentences. A specialist can be urban.Logical formLearned from12 sentences. Data may be generated from some urban centers.Logical formLearned from12 sentences. Cabbies can be urban.Logical formLearned from12 sentences. A (water supply project) can be urban.Logical formLearned from12 sentences. An (asset investment) can be in urban areas.Logical formLearned from12 sentences. Compatriots can be urban.Logical formLearned from12 sentences. An urban population can be in developing countries.Logical formLearned from12 sentences. Habits can be urban.Logical formLearned from12 sentences. A spending can be urban.Logical formLearned from12 sentences. Communications can be urban.Logical formLearned from12 sentences. (Sewage treatment facilities) can be urban.Logical formLearned from12 sentences.