"Books cannot be read unless they are borrowed", I have always liked this famous reading saying of the ancients. Because the words are subtle and true, and memorable. In our cultural tradition, there is a story about borrowing books. The most famous is Song Lian borrowing books. Song Lian, an important official in the Ming Dynasty, a generation of writers, wrote a lot, and compiled the "Yuan Shi". He was poor when he was young, and he read books by borrowing and copying books. The story can b...