![Ithaslongbeenthoughtthatfirst-bornchildrenaremoresucces...]( "Ithaslongbeenthoughtthatfirst-bornchildrenaremoresucces...")
- 问题详情：Ithaslongbeenthoughtthatfirst-bornchildrenaremoresuccessfulthantheiryoungerbrothersandsistersandoftenhavequalitiesofbeingmoreorganisedandresponsibleaswellasbeingeagertobeincharge.Butanewstudyhasshownthattheelderchild'sachievementscanhelpimpr...
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