亲爱的楼主：
All things of the world are closely linked,so no matter in life,study or work,we all need cooperation.
The face is to construct the harmonious society in our country,more need to cooperate,but we need to improve the spirit of cooperation,mutual cooperation between the country and the people,to create a harmonious and beautiful world.Know how to cooperate,learn how to cooperate,we also a shortcut to success,cooperation,we will be more successful.
祝您步步高升