求翻译：1973年11月21日，澳大利亚姆可马克与米切尔兄弟两人，自费印刷了大量有关问候的宣传材料寄给世界各国政府首脑及世界知名人士，向他们阐述设立世界问候信的重要意义，扩大世界问候日的影响，第一个世界问候日“诞生。是什么意思？

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On November 21, 1973, the Australian mho might Mark and Mitcher Brother two people, the own expense prints the massive related regards propaganda material to send for the various countries heads of government and the world celebrity, to them elaborated set up the world to ask the wait for letter the

On November 21, 1973, Australia Sam mark both with the Mitchell brothers, at their own expense about greeting is printed publicity materials sent to the Governments of the World Summit and world dignitaries, say hello to them on the establishment of the world significance of the letter, and expandin