有配偶的心情郁闷，痛苦，和生活质量的癌症存活者的心情抑郁风险有关？
How are spousal depressed mood, distress, and quality of life associated with risk of depressed mood in cancer survivors?
1974年(有数据可查的最近一年)有配偶的老年人用以支付食宿的费用占其总预算的百分之五十二点七。
In 1974, the last year for which figures are available, senior citizens with spouses spent 52.7 per cent of their budgets on food and shelter.
欧文斯和奥尔森假设，如果类胡萝卜素是稀有的或对健康有要求的，则通过着色指示的类胡萝卜素的存在在配偶选择的背景下将是有意义的。
Owens and Olson hypothesize that the presence of carotenoids, as signaled by coloration, would be meaningful in the context of mate selection if carotenoids were either rare or required for health.
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