In simple terms, the young and middle-aged save for old age by buying assets, often with borrowed money; the old sell them to pay for retirement.

简单的说，年轻人和中年人购买资产为了老了以后的日子，此过程常常涉及贷款；而老人则常常出售资产用来支付退休后的开销。

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Millions of the healthy young and middle aged seldom see a doctor, so this can only mean that many, especially in the older age group, must currently be taking a fistful of drugs every day.

由于健康的年轻人和中年人很少看医生，所以这只能意味着，尤其是很多老年人，目前每天都在大把大把吃药。

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Alcohol use starts at a young age: 14% of adolescent girls and 18% of boys aged 13-15 years in low - and middle-income countries are reported to use alcohol.

饮酒在年轻时开始：据报道，在中低收入国家，13 - 15岁的年轻人中，14%的少女和18%的男孩饮酒。

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