From the beginning of the year until now, the global economy has shown more positive signs. Some economists and market participants believe that this year's global economic outlook will be better than previously expected. For Anbound research team, after the 2008 financial crisis, central banks around the world have tried to improve the economy through extraordinary monetary policy. The global economic recovery will in fact only be improved after about 10 years later. For the medium and long term, it will be a while before the global monetary tightening; whether the economy can come out of the stagnation remains to be further observed. The world is still facing economic uncertainty, and the monetary policy central banks around the world cannot be tightened without short period of time.