It is not unusual for individuals to speak four or five languages fluently, although they have never had a textbook in these languages in their hands.
ولذلك من الطبيعي ان يتكلم الناس اربع او خمس لغات بطلاقة رغم عدم امتلاكهم ايّ كتاب دراسي بهذه اللغات .‏