ith that expression, I know what you're thinking," Chen Yenan said helplessly.The other day, while I was taking a walk and chatting with someone, we got to talking about delivery services. Several peo...e Liao" Wang Lin lowered his head in thought for a moment, then looked up and said, "Just now, you said that we need to lay a solid foundation. What do you mean by foundation"Old Liao smiled and said,...