在欧洲只有巴斯克语、芬兰语、爱沙尼亚语、匈牙利语、土耳其语和俄罗斯的几种语言不属于印欧语系，其它语言显然由一种母语派生而来。
In Europe only Basque, Finnish, Estonian, Hungarian, Turkish, and a few languages of Russia are not of this family; the others have apparently all descended from an original parent tongue.
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