- 问题详情:Spendingaslittleas$5adayonsomeoneelsecouldsignificantly(较大地)boosthappiness,theteamattheUniversityofBritishColumbiafound.Theirexperimentsonmorethan630Americansshowedtheyweremeasurablyhappierwhentheyspentmoneyonothers—eveniftheythoughtspendin...
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