A surge can be in usage.Logical formLearned from31 sentences. A (gas usage) may pertain-to a person.Logical formLearned from31 sentences. Usage can be widespread.Logical formLearned from31 sentences. A result can be constituted-of-or-filled-with usage.Logical formLearned from31 sentences. (Usage statistics) may pertain-to vendors.Logical formLearned from31 sentences. A mastery of (cycle technology) may lead to usage.Logical formLearned from30 sentences. A usage can be low.Logical formLearned from30 sentences. A usage can be in a language.Logical formLearned from30 sentences. A usage may pertain-to an English language.Logical formLearned from30 sentences. A usage may pertain-to a philosopher.Logical formLearned from30 sentences. Restrictions can be on usage.Logical formLearned from30 sentences. A usage can be long-distance.Logical formLearned from30 sentences. Usage may decline.Logical formLearned from30 sentences. (Usage areas) can be in a library.Logical formLearned from30 sentences. Usage may pertain-to resources.Logical formLearned from30 sentences.