With the development of science and technology, there has been a boom in the ways for us to get information.
But reading books still remains essential to the acquisition of knowledge. The forms of reading may differ from person to person. Some prefer to read selectively rather than read extensively.
To them, the range of knowledge is so wide that it's beyond their reach to cover every field. With purposeful reading, much of their time and energy will be saved.
【注】acquisition n. 获得，获得物;beyond reach 达不到