Studies show that the key to happiness is having one close relationship and a network of friends.Our social connections make us healthier and more resilient to stress.Maintaining long lasting,healthy friendships is worth the effort!

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题目内容（大学英语1）

Studies show that the key to happiness is having one close relationship and a network of
friends.Our social connections make us healthier and more resilient to stress.Maintaining long
lasting,healthy friendships is worth the effort!

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郑州澍青医专护理伦理学