幸福

• 来源期刊: 英语角
• 学科: 教育
• 关键词: MENTAL happier INFORMATION START STUDIED
• 年，卷（期）: yyjb_2019,（1）
• 页码范围: 30-31
• 页数: 2页
• 分类号: G4

摘要

"Happiness is U-shaped.We are happier at the start and end of our lives but hit a slump when we are middle-aged,"scientists from England and America say.They have studied the information on the mental health of two million people from 80 countries.