g time, if you want to turn it over, the person involved may have passed away, or there is no benefit in doing so, it can be 'turned over or not'.""What is meant by 'irretrievable' often refers to wro...our Jurchin capital and from the Liao Kingdom's Langting to our capital.""Along these two routes, we will set up a relay station every hundred miles. Each station will have either specially trained fa...