Americanchildrenaren'ttheonlycouchpotatoeswithnearlyone...
問題詳情：Americanchildrenaren'ttheonlycouchpotatoeswithnearlyonethirdofchildrengloballyspendingthreehoursadayormorewatchingTVoroncomputers,accordingtoastudyofover70,000teensin34nations.ReginaGutboldof...