Please cherish this scarce book, because except for its high readability, it also possesses collecting value.Several years later you might realize that it is really a priceless book.

• 请珍惜这本难得的书，因为它除了有很高的可读性外，还有着珍藏价值，若干年后你就会体会到它的确是一本千金难求的好书。