Together we create the future, work together, and achieve win-win results. To achieve the purpose of cooperation and achieve win-win results, we must abide by the principles of cooperation: common goals, clear authority, and the spirit of mutual assistance. Only in this way can we obtain common wealth. Young people must develop the habit of cooperating with others, so that they can realize greater value in life. "One year of mutual assistance turns stone into jade, and two years of cooperation turns soil into gold." Being good at cooperation makes us more outstanding.