(Combat operations) can be sustained.Logical formLearned from70 sentences. A thought can be sustained.Logical formLearned from70 sentences. A war can be sustained.Logical formLearned from69 sentences. A barrage can be sustained.Logical formLearned from68 sentences. A (job growth) can be sustained.Logical formLearned from68 sentences. A flow can be sustained.Logical formLearned from68 sentences. Tones can be sustained.Logical formLearned from68 sentences. Power can be sustained.Logical formLearned from67 sentences. A crackdown can be sustained.Logical formLearned from67 sentences. An (air campaign) can be sustained.Logical formLearned from67 sentences. A sustained development may pertain-to the national economy.Logical formLearned from66 sentences. A coverage can be sustained.Logical formLearned from66 sentences. An upturn can be sustained.Logical formLearned from65 sentences. Campaigns can be sustained.Logical formLearned from64 sentences. A movement can be sustained.Logical formLearned from64 sentences.