那你多大了呢，萨姆？
How well off you are in old age is largely determined by race, sex, and marital status.
你老年生活的幸福在很大程度上取决于种族、性别和婚姻状况。
As you read this, you are likely aware of what time it is, how old you are, your checking account balance, your weight, and so on.
当你读到这篇文章的时候，你可能会意识到现在的时间，你的年龄，你的支票账户余额，以及你的体重等等。
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