A country may double a size of an economy.Logical formLearned from2 sentences. A mix may double.Logical formLearned from2 sentences. A chance may double.Logical formLearned from2 sentences. Persons may set a goal of doubling exports.Logical formLearned from2 sentences. Somebody may double.Logical formLearned from2 sentences. A number of cases may double over some years.Logical formLearned from2 sentences. Exports to a country may double over some years.Logical formLearned from2 sentences. A country may double a number of children.Logical formLearned from2 sentences. A number of fires may double.Logical formLearned from2 sentences. A (mortality rate) may double with heat.Logical formLearned from2 sentences. A discovery may double natural-gas reserve.Logical formLearned from2 sentences. Consumption of commodities may double.Logical formLearned from2 sentences. (Market volumes) may double.Logical formLearned from2 sentences. A number of singles may double over some years.Logical formLearned from2 sentences. A flow may double from some cubic meters.Logical formLearned from2 sentences.