This article introduces and analyzes the background, the contents of early language learning standards movement and the related controversies in westward.
英、美等国都进行了早期语言学习标准化运动，其目的在于提高本国语言教育的质量。
They must meet the professional standards of service and years of experience specializing in Early Learning Services.
他们必须达到专业服务标准并且擅长于早教服务多年经验。
They must meet the professional standards of service and years of experience specializing in Early Learning Services.
他们必须达到专业服务标准并且擅长于早教服务多年经验。
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