The story of the pony carrying cotton and salt reacts to what economic problems

Response is: do not speculate, we must be practical, or you will get the donkey like the end, to grasp the law of things, according to the situation, not a rigid, not always think of laziness. There is no such thing as a set thing, and there is no such thing as a truth that can be applied to all things, so we must look at things differently. Holding on to the old concepts, the old framework to look at the new situation, is bound to be unworkable.