To its disadvantage, the book contains a lot of material that is difficult for the average person to understand.这本书的缺点在于其中有大量内容一般读者都看不懂。The difference is barely perceptible to the average reader.这种差别一般读者几乎是察觉不到的。This book is too technical for the general reader.这本书对一般读者来讲太专门化了。This book is intended for the general reader rather than the student.这本书面向一般读者而非学生。