填空题

The pursuit of (11) happiness has long been a subject of interest for scientists and surveys alike. But what makes us really happy and what lasting (12) does happiness have Well, earlier this month, scientists from Beijing University found the people who are happy and (13) about life live longer. Last month a British study, concluded that eating a family meal at least three times a week is the (14) to happiness because it helps (15) a strong bond between parents and their children.

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