Perhaps,mostparentshavetriedtogivetheirchildrenaheadsta...
问题详情：Perhaps,mostparentshavetriedtogivetheirchildrenaheadstartoneducationwithget–smartvideosandenrichmentactivitiesasearlyasinfancy(婴儿期),butfreeplayisoftensacrificed,sotheAmericanAcademyofPedia...