on how to promote sweet potatoes. That's not going to be easy.The promotion of sweet potatoes should start from the capital and the two provinces north and south of it.Li Chen had already made up his...d he roared at Li Chen, "Qin man, I want your life!"As soon as the words left his mouth, he and the remaining Liaoning men immediately surrounded Li Chen and the San Bao with their weapons.These peopl...