Furthermore, while many in the United States have almost doubled their material possessions in the past three decades, they are not any happier than they used to be, according to mental - health experts.
एक रिपोर्ट तो यह भी कहती है: “इन सालों के दौरान, हताश लोगों की गिनती बहुत बढ़ गयी है ।