A repeat may undergo an expansion.Logical formLearned from19 sentences. A duration may pertain-to an expansion.Logical formLearned from19 sentences. Peoples may undergo an expansion.Logical formLearned from19 sentences. Factories may undergo an expansion.Logical formLearned from19 sentences. Acreage may undergo an expansion.Logical formLearned from19 sentences. Productive capacity may undergo an expansion.Logical formLearned from19 sentences. Community may undergo an expansion.Logical formLearned from19 sentences. Surveillance may undergo an expansion.Logical formLearned from19 sentences. An economic expansion can be in some years.Logical formLearned from19 sentences. An expansion can be in a decade.Logical formLearned from19 sentences. Neighborhoods may undergo an expansion.Logical formLearned from19 sentences. An investment may undergo an expansion.Logical formLearned from19 sentences. A durability may pertain-to an economic expansion.Logical formLearned from19 sentences. A height may pertain-to an expansion.Logical formLearned from19 sentences. An expansion can be measured.Logical formLearned from19 sentences.