Perhaps,mostparentshavetriedtogivetheirchildrenaheadsta...
問題詳情：Perhaps,mostparentshavetriedtogivetheirchildrenaheadstartoneducationwithget–smartvideosandenrichmentactivitiesasearlyasinfancy(嬰兒期),butfreeplayisoftensacrificed,sotheAmericanAcademyofPedia...