over twenty years old, at such a young age, he can have such wisdom"Long Huaiyu smiled and said, “Father, I’m only in my twenties. You can’t underestimate me based on my age.”"What do you think we sh...ole new level.They first learned that a country's creditworthiness could serve as collateral, as a borrower, to borrow money from the entire society.Through national credit guarantees, the imperial co...