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.
أظهر استطلاع شمل اغنى مئة شخص في الولايات المتحدة انهم ليسوا اكثر سعادة من الناس بشكل عام .‏