No matter how you calculate it, with the zero or the one, mankind has left the 20th century, with all its immense changes, behind, and is welcoming in the 21st century, with challenges and uncertainties of its own.
無論是哪一種算法，以零為始或是以一為頭，人類終於走完了變化最巨的二十世紀，迎向充滿了未知與挑戰的二十一世紀。