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3、节省和浪费：save time/money/space; economical, thrift,waste time/money/space; costly, lavish 4：人的心理健康：independent, cooperative, competitive,considerate, confident, creative, sociable,perseverance; selfish, isolated, conservative 5、人的身体健康：health, disease, strong, strength, energetic 6、娱乐：colorful, pleasure, joy, recreation, entertainment, relax,tired, boring, lonely 7、环境：environment, pollute, poisonous, dirty 8、安全和危险：safe, danger, risk 9：经验：experience, social experience, enter the society 10、人际：humane, fair, unfair, help, assist, freedom, freely | 
