编者按:在儿童成长和发展的过程中,高质量的学前教育产品必不可少。所谓高质量就是既有技术含量,又有学术含量;就是有益于儿童身心的健康发展。儿童应该拥有快乐而丰富的童年生活,这就需要高质量的学前教育产品相伴左右。为了研发高质量的学前教育产品,世界各国都在坚持不懈地努力。例如,美国有很多 Editor’s Note: High quality pre-school products are essential to children’s growth and development. The so-called high-quality is both technical content, but also academic content; is beneficial to the healthy development of children’s physical and mental health. Children should have a happy and rich childhood, which requires high-quality pre-school products accompanied by around. In order to develop high-quality preschool education products, all countries in the world are making unremitting efforts. For example, the United States has a lot