A technology may undergo a variation.Logical formLearned from22 sentences. Variations can be in cost.Logical formLearned from22 sentences. Variations can be in terrain.Logical formLearned from22 sentences. A variation can be on an argument.Logical formLearned from22 sentences. Variations can be intriguing.Logical formLearned from22 sentences. Variations can be predictable.Logical formLearned from22 sentences. A variation can be difficult.Logical formLearned from22 sentences. A variation can be stable.Logical formLearned from22 sentences. A variation can be mild.Logical formLearned from22 sentences. Variations can be solar.Logical formLearned from22 sentences. Variation can be in rates.Logical formLearned from22 sentences. A person may see some variations.Logical formLearned from22 sentences. Variations can be sea-level.Logical formLearned from22 sentences. Variations may be discussed.Logical formLearned from22 sentences. A variation can be on a line.Logical formLearned from22 sentences.