A. A culture of harmony provides important intellectual support for the unity and progress of all our people.B. We will also strengthen international cultural exchanges to draw on the fine achievements of foreign cultures and enhance the influence of Chinese culture worldwide.C. We maintain that the people of all countries should join hands and strive to build a harmonious world of lasting peace and common prosperity.D. On environmental issues, they should assist and cooperate with each other in conservation efforts to take good care of the Earth, the only home of human beings.我们主张，各国人民携手努力，推动建设持久和平、共同繁荣的和谐世界。