Each book was written in both Chinese and one of the other nine languages which are English, French, German, Jananese, Korean, Thai, Russian, Arabic and Spanish.
每本书都是中文和另一种语言的对照，有日语、韩语、泰语、俄语、阿拉伯语、德语、西班牙语、英语和法语九种语言。
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