令人醒思的研究發現 :
多賺錢 有助消減負面情緒
對於收入少於八萬美元的人來說
確實如此
但當收入達到二十萬美元門檻
事情就不是這樣了

[ making more money
reduced negative emotions
for people earning
less than USD80000
but the benefits disappeared
after the USD200000 threshold
was reached ]