Winning a master's degree in World War I means that you have successfully entered the master's degree after preparing for the exam, and you can easily enter the master's degree at one time when taking the postgraduate entrance examination. Or describe those who have excellent grades, once they prepare for the exam, they can successfully enter the master's degree, that is, they won the master's degree in World War I. In either case, it shows that the efforts are directly proportional to the results of the harvest.