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