Revenue can be from a product.Logical formLearned from15 sentences. Declines can be in (tax revenue).Logical formLearned from15 sentences. A percent may pertain-to a (state revenue).Logical formLearned from15 sentences. An (oil export revenue) may pertain-to a country.Logical formLearned from15 sentences. Revenue can be over some years.Logical formLearned from15 sentences. A country may lose revenue.Logical formLearned from15 sentences. Revenue can be persons.Logical formLearned from15 sentences. Revenue can be for a network.Logical formLearned from15 sentences. Revenues may be increased.Logical formLearned from15 sentences. Marginal revenue may equal marginal cost.Logical formLearned from15 sentences. Revenues can be from games.Logical formLearned from15 sentences. Revenue can be true.Logical formLearned from15 sentences. Revenues can be from services.Logical formLearned from15 sentences. A need can be for (tax revenue).Logical formLearned from15 sentences. A contribution can be to revenue.Logical formLearned from15 sentences.