教育与参考
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在单个应用程序中学习西班牙语,法语,意大利语,德语,葡萄牙语,荷兰语,中文,日语,俄语,匈牙利语,印度尼西亚语和北印度语。
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与最负盛名的语言教师和专业人士机构合作开发的基于研究的方法论:美国英语教学委员会
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