单数和双数的规律

简介：As the saying goes, don’t go to the Three Treasures Palace without anything to do, and showing courtesy without anything is either cheating or stealing. If you have nothing to do and treat me to a meal, Su Can will be wary, but you only treat me to a meal because you have something to ask for. This is in line with the principle of equal exchange, so He didn't think of going that way, thinking that Han Yuhan really had something to ask of him.