During Chinese President Xi Jinping's era, China has comprehensively departed from Deng's era policy doctrine of "hide your brightness and bide your time". China becomes more assertive on the world stage. Deng's domestic economic priority of "letting some people get rich first" has also been replaced by the aim for "common prosperity". In your opinion, what are the domestic and international challenges and opportunities that have characterized and will characterize the Xi Jinping Era?