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수능특강 # / 원문 출처 / 지문 / 지문 한 줄 분석입니다. ► Exercise 01 | page 23 ❶ A key assumption in consumer societies has been the idea that “money buys happiness.” ❷ Historically, there is a good reason for this assumption — until the last few generations, a majority of people have lived close to subsistence, so an increase in income brought genuine increases in material well-being (e.g., food, shelter, health ..

수능특강 # / 원문 출처 / 지문 / 지문 한 줄 분석입니다. ► Exercise 01 | page 19 In the past there was little genetic pressure to stop people from becoming obese. Genetic mutations that drove people to consume fewer calories were much less likely to be passed on, because in an environment where food was scarcer and its hunting or gathering required considerable energy outlay, an individual with that mutation would p..