purposelessness

noun [抽象名词]无目的

The 1920s in the U. s. has been described by many historians as a period of material success and spiritual frustration or confusion and purposelessness.
许多历史学家都把美国的二十世纪二十年代描写成一个物质上成功，精神是迷惘或漫无目标的时期。