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Finnish LanguageEstonian LanguageLearner LanguageSecond LanguageEstonianSecond Language AcquisitionForeign LanguageContrastive LinguisticsMother TongueNative SpeakersLanguage LearningCommon European Framework of Reference for LanguagesTarget LanguageLanguage LearnersLanguage UseLanguage ProficiencyLanguage SkillsProficiency LevelSecond Language LearningTranslation Process