- 問題詳情:Beingabletocountatleasttenpeopleasfriendsmakesushappy,butthosewithfiveorfewerarelikelytobemiserable,researcherssay.Theirstudyofhundredsofmenandwomenalsofoundthatpeoplewhofeelsatisfiedwiththeirlivesalwayshavelotsofclosefriendsandregularlymaken...
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