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.
Selain itu, meskipun banyak orang di Amerika Serikat telah menambah jumlah harta benda mereka hampir dua kali lipat pada tiga dekade terakhir ini, mereka tidak lebih bahagia daripada sebelumnya, demikian menurut para pakar kesehatan mental.