It's not just you -- the world really is getting more miserable.
원문출처 : https://www.cnn.com/2019/04/25/health/gallup-world-emotions-index-scli-intl/index.html
원문출처 : https://www.cnn.com/2019/04/25/health/gallup-world-emotions-index-scli-intl/index.html