Paragraph Eight Are people less happy or more happy the older they get? If you answered more happy, then you were right based on a study in 2008. It found that people generally become happier and experience less worry after age fifty. In fact, it found that by the age of eighty-five, people are happier with their life than they were at eighteen.The r_____ between age and happiness.
【正确答案】：relationship
【题目解析】：联系，关联。
