The loss of "Dream of the Red Chamber", personal opinion is that it is a kind of crippling beauty. Gives us more space to imagine and deduce, enabling us to construct our own "Dream of Red Mansions" of the final chapter, at the same time, we can also be based on Cao Xueqin's prequel to the story behind the reasonable reasoning, we can not deny that this is a deduction of the great work, in the first eighty Cao Xueqin has implied the end of the various characters, the content of the latter will have us to deduce it!
In summary, the crippling beauty of A Dream of Red Mansions is a form of expression that inspires us to discover the charm of A Dream of Red Mansions!