Starting with the early twentieth century, the shifts in what languages mainland Europeans have as additional languages are described and analysed. Historical events, such as World War II, the rise...

中文翻译：

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欧盟双语和多语的变迁

从二十世纪初开始，描述和分析了欧洲大陆人将哪些语言作为附加语言的转变。历史事件，例如第二次世界大战，崛起...