Public sense of safety is not only important part of city safety index, but also one key factors of influencing life happiness index of the masses.
公众安全感，是一个城市安全指数的重要组成部分，也是影响群众生活幸福指数的关键因素之一。
Then, it is of highly significance to explore the psychological factors influencing demo's happiness in current social context.
那么在现有社会背景下，探讨影响民众幸福的心理因素就具有重要的现实意义。
Then, it is of highly significance to explore the psychological factors influencing demo's happiness in current social context.
那么在现有社会背景下，探讨影响民众幸福的心理因素就具有重要的现实意义。
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