SORU: konuşmanın boş bırakılan bölümünde söylenmiş olabilecek sözü bulunuz
Frank: - I see they are holding a conference on the effects of too little sleep. Brian: - Yes. It might be interesting. I reckon it must have a harmful effect on one physically. Frank: - ----- Brian: - I know it hasn't. But studies show that mental alertness is badly affected by it.